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The Pacific Northwest Urban Corridor Geologic Mapping Project publications

on-lineBlakely, R.J., Wells, R.E., and Weaver, C.S., 1999, Puget Sound aeromagnetic maps and data, U.S. Geological Survey Open-File Report 99—514, http://geopubs.wr.usgs.gov/open-file/of99-514.

Bakun, W.H., Haugerud, R.A., Hopper, M.G., and Ludwin, R.S., 2001, The December 1872 Washington State earthquake, Seismological Research Letters, v.72, p. 269.

Benson, L.V., Smoot, J.P., Kashgarian, Michaele, Sarna-Wojcicki, A.M., , and Burdett, J.W., 1997, Radiocarbon ages and environments of deposition of the Wono and Trego Hot Springs tephra layers in the Pyramid Lake Subbasin, Nevada, Quaternary Research, v. 47, p. 251-260.

Blakely, R., and Lowe, C., 2000, Aeromagnetic anomalies of the eastern Juan de Fuca Strait region, in Mosher, D.C., and Johnson, S.Y., editors, Rathwell, G.J., Kung, R.B., and Rhea, S.B., compilers, Neotectonics of the eastern Juan de Fuca Strait: a digital geological and geophysical atlas, Geological Survey of Canada Open File Report 3931.

Blakely, R.J., 2000, Hunting for faults: an application of aeromagnetic and gravity methods , Summary of a paper presented at Seattle 2000 Civil Engineering Conference and Exposition, Seattle, Washington, October 20, 2000, 9 pages.

Blakely, R.J., and Brocher, T.M., 2000, How the Jell-O shakes depends on the shape of the bowl: a three-dimensional view of the Seattle basin, in Cascadia Quakes, a Tricentennial Exposition: U.S. Geological Survey, University of Washington, Burke Museum of Natural History and Culture, p. 15.

Blakely, R.J., and Brocher, T.M., 2000, How the Jell-O shakes depends on the shape of the bowl: a three-dimensional view of the Seattle basin, [abs.], in Cascadia Quakes, a Tricentennial Exposition: U.S. Geological Survey, University of Washington, Burke Museum of Natural History and Culture, p. 15.

Blakely, R.J., Brocher, T.M., Parsons, T.E., Langenheim, V.E., and ten Brink, U.S., 2000, The Seattle basin: a three-dimensional geologic model based on density and seismic velocity , 2000 Abstracts with Program, 96th Annual Meeting of the Cordilleran Section, Geological Society of America, April, 2000, p. A-4.

Blakely, R.J., Brocher, T.M., Parsons, T.E., Langenheim, V.E., and ten Brink, U.S., 2000, The Seattle basin: a three-dimensional geologic model based on density and seismic velocity [abs.], 2000 Abstracts with Program, 96th Annual Meeting of the Cordilleran Section, Geological Society of America, April, 2000, p. A-4.

Blakely, R.J., Cruikshank, K., Johnson, A., Beeson, M., Walsh, K., and Wells, R.E., 1997, A gravity study through the Tualatin Mountains, Oregon: Understanding crustal structure and earthquake hazards in the Portland urban area [abstract], 1997 Abstracts with Program, Cordilleran Section, Geological Society of America, v. 29, p. 5.

Blakely, R.J., Parsons, T.E., Brocher, T.M., Langenheim, V.E., and ten Brink, U.S., 1999, A three-dimensional view of the Seattle basin, Washington, from gravity inversion and seismic velocity, EOS, Transactions of the American Geophysical Union, v. 80, p. F762

Blakely, R.J., Parsons, T.E., Brocher, T.M., Langenheim, V.E., and ten Brink, U.S., 1999, A three-dimensional view of the Seattle basin, Washington, from gravity inversion and seismic velocity [abs.]:, EOS, Transactions of the American Geophysical Union, v. 80, p. F762.

Blakely, R.J., Wells, R.E., and Finn, C., 1998, Geometry and deformation of the Cascadia forearc: Implications from high-resolution aeromagnetic surveys and gravity measurements [abstract], Abstracts, Western Pacific Geophysics Meeting, Taipei.

on-lineBlakely, R.J., Wells, R.E., and Weaver, C.S., 1999, Puget Sound aeromagnetic maps and data, U.S. Geological Survey Open-File Report 99-514, http://geopubs.wr.usgs.gov/open-file/of99-514.

Blakely, R.J., Wells, R.E., Haugerud, R.A., Pratt, T., and Weaver, C.S., 1998, Geometry and deformation of the Cascadia forearc: Implications from a new high-resolution aeromagnetic survey of the Puget Lowland, Washington [abstract], EOS, Transactions of the American Geophysical Union, v. 79, p. F873.

Blakely, R.J., Wells, R.E., Tolan, T.L., Beeson, M.H., Trehu, A.M., and Liberty, L.M., , 2000, New aeromagnetic data reveal large strike-slip (?) faults in the northern Willamette Valley, Oregon, Geological Society of America Bulletin, v. 112, p. 1225Ð1233.

Blakely, R.J., Wells, R.E., Weaver, C.S., and Johnson, S.Y., 1999, Tectonic setting and earthquake hazards of the Seattle fault, Washington: Implications from high-resolution aeromagnetic data, Seismological Research Letters, v. 70, p. 219.

Blakely, R.J., Wells, R.E., Weaver, C.S., and Johnson, S.Y., 2001, Location, structure and seismicity of the Seattle fault, Washington, Geological Society of America Bulletin, v. 112, in press.

Blakely, R.J., Wells, R.E., Weaver, C.S., and Meagher, K.L., 2001, Cascadia earthquakes and forearc blocks , Seismological Research Letters, v. 72, p. 238.

Blakely, R.J., Wells, R.E., Weaver, C.S., Johnson, S.Y., and Dadisman, S.V., 1998, Structure and seismicity of the Seattle fault, Washington, EOS, Transactions of the American Geophysical Union, v. 79, p. F874.

Blakely, R.J., Wells, R.E., Yelin, T.S., Dougherty, M.E., and Trehu, A.M., 1996, Faults and earthquakes in the Willamette Valley and Portland basin: A regional perspective from newly acquired aeromagnetic data [abstract], 1996 Abstracts with Programs, 92nd Annual Meeting of the Cordilleran Section, Geological Society of America, Portland, Oregon, April, 1996, p. 50.

Blakely, R.J., Wells, R.E., Yelin, T.S., Madin I.P., and Beeson, M.H., 1995, Tectonic setting of the Portland-Vancouver area, Oregon and Washington: Constraints from low-altitude aeromagnetic data, Geological Society of America Bulletin, v. 107, p. 1051-1062.

Blakely, R.J., Yelin, T.S., and Wells, R.E., 1996, Airborne hunt for faults in the Portland-Vancouver area, U.S. Geological Survey Fact Sheet 105-96, 2 p.

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Booth, D.B. and Troost, K.G., 1998, Chronology, correlation, and deformation of Quaternary deposits in the central Puget Lowland, Washington State, Association of Engineering Geologists, Program with Abstracts, Annual Meeting, Seattle, WA, Sept 30-Oct 3, p. 79.

Booth, D.B., and Troost, K.G., 1998, Tectonic deformation of Pleistocene deposits in the central Puget Lowland, Washington State, Abstracts with Programs, Annual Meeting, Toronto, Canada, Oct. 26-29, v. 30, No. 7, A-74.

Booth, D.B., Troost, K.G., and Hagstrum, J.T., 1999, Character and age of tectonically deformed Pleistocene deposits in the central Puget Lowland, Washington state, Seismological Research Letters, v. 70, no. 2, p. 234.

Booth, D.B., Troost, K.G., Hagstrum, J.T., Blakely, R.J., and Thorson, R.B., 2000, Geologic evaluation of tectonic deformation in the central Puget Lowland, Washington State, 2000 Abstracts with Program, 96th Annual Meeting of the Cordilleran Section, Geological Society of America, April, 2000, A-5.

Booth, D.B., Troost, K.G., Hagstrum, J.T., Blakely, R.J., and Thorson, R.B., 2000, Geologic evaluation of tectonic deformation in the central Puget Lowland, Washington State, 2000 Abstracts with Program, 96th Annual Meeting of the Cordilleran Section, Geological Society of America, April, 2000, A-5.

Booth, D.B., Wells, R.E., Givler, R., DuRoss, C., Blakely, R.J., Meeks, E., Ebel, K., Fryer, J., Troost, K., Booth, R., Barnett, E., Crider, J., and Gregorie, P., 2001, Chimney damage patterns in the greater Seattle area from the Nisqually earthquake of February 28, 2001 , Seismological Research Letters, v. 72, p. 395.

Brocher, T.M., Blakely, R.J., Fisher, M.A., Wells, R.E., and Christensen, N.I., 2000, Evidence for the Tacoma fault in the Puget Lowland, Washington: results form the 1998 Seismic Hazards Investigation in Puget Sound (SHIPS) , Supplement to EOS, Transactions of the American Geophysical Union, v. 81, p. 871.

Brocher, T.M., Parsons, T., Blakely, R.J., Christensen, N.I., Fisher, M.A., Wells, R.E. and the SHIPS Working Group, 2001, Three-dimensional geometry of crustal faults, basins, and uplifts in Puget Lowland, Washington: Results from SHIPS, the 1998 Seismic Hazards investiagion in Puget Sound:, Journal of Geophysical Research, in press.

Brocher, T.M., Parsons, T., Blakely, R.J., Wells, R.E., Fisher, M.A., 2001, New insights on crustal faults in the Puget Lowland, Washington, from SHIPS, gravity, and aeromagnetic surveys , Seismological Research Letters, v. 72, p. 238.

Brocher, T.M., Parsons, T., Fisher, M.A., Blakely, R.J., Jachens, R.C., and Wentworth, C.M., 2001, Strategies for building regional crustal velocity models: Examples from the San Francisco Bay area and Puget Lowland, Seismological Research Letters, v. 72, p. 278.

Brocher, T.M., Parsons, T., Fisher, M.A., Blakely, R.J., ten Brink, U.S., Creager, K.C., Crosson, R.S., Miller, K.C., Trehu, A.M., Spence, G., Zelt, B.C., Hyndman, R.D., and Mosher, D.C., 1999, Structure of the Puget lowland: a tomographic model using data from the 1998 Seismic Hazards Investigation in Puget Sound (SHIPS) experiment [abs.]: , EOS, Transactions of the American Geophysical Union, v. 80, p. F749.

Brocher, T.M., Parsons, T., Fisher, M.A., Blakely, R.J., ten Brink, U.S., Creager, K.C., Crosson, R.S., Miller, K.C., Trehu, A.M., Spence, G., Zelt, B.C., Hyndman, R.D., and Mosher, D.C., 1999, Structure of the Puget lowland: a tomographic model using data from the 1998 Seismic Hazards Investigation in Puget Sound (SHIPS) experiment, EOS, Transactions of the American Geophysical Union, v. 80, p. F749.

Brocher, T.M., Parsons, T., Fisher, M.A., Blakely, R.J., ten Brink, U.S., Creager, K.C., Crosson, R.S., Miller, K.C., Trehu, A.M., Spence, G., Zelt, B.C., Hyndman, R.D., and Mosher, D.C., 2000, Internal structure of Cenozoic basins in the Puget Lowland, Washington: Results from SHIPS, the 1998 Seismic Hazards Investigation in Puget Sound:, 2000 Abstracts with Program, 96th Annual Meeting of the Cordilleran Section, Geological Society of America, April, 2000, p. A-6.

Brocher, T.M., Parsons, Tom., Blakely, R.J., Wells, R.E., Fisher, M.A., and the SHIPS Working Group, 2001, New insights on crustal faults in the Puget lowland, Washington from the SHIPS, gravity, and aeromagnetic surveys, Seismological Research Letters, v. 72, p. 238.

Champion, D., J. T. Hagstrum, R. Hoblitt, and C. Gardner, 1999, History of Holocene geomagnetic secular variation in the western United States compiled from volcanic rock sources, EOS, American Geophysical Union, Transactions, v. 80, p. F284.

Clague, D. A., J. T. Hagstrum, D. E. Champion, and M. H. Beeson, , 1999, Kilauea summit overflows: Their ages and distribution in the Puna District, Hawaii, Bulletin of Volcanology, v. 61, 363-381.

Clague, D.A., Hagstrum, J.T., Champion, D.E., and Beeson, M.H., 1999, Kilauea summit overflows: Their ages and distribution in the Puna District, Hawaii, Bulletin of Volcanology, v. 61, 363-381.

Crider, J.G., Schermer, E.R., and Haugerud, R.A., 2001, Liquefaction of the Issaquah Creek delta, during Sherrod, B.L., Haeussler, P.J., Wells, R., Troost, K., and Haugerud, R., 2001, Surface rupture in the Seattle fault zone near Bellevue, Washington: Seismological Research Letters, v. 72, p. 394.

Dougherty, M.E., Trehu, A.M., Liberty, L.M., and Blakely, R.J., 1995, Shallow seismic imaging of the Gales Creek/Mt. Angel fault system Willamette Valley, Oregon [abstract], EOS, Transactions of the American Geophysical Union, v. 76, p. F391.

Dougherty, M.E., Trehu, A.M., Liberty, L.M., and Blakely, R.J., 1996, Shallow seismic imaging of the Mount Angel/Gales Creek fault system, Willamette Valley, Oregon [abstract], 1996 Abstracts with Programs, 92nd Annual Meeting of the Cordilleran Section, Geological Society of America, Portland, Oregon, April, 1996, p. 62.

Dragovich, J.D., Haugerud, R.A., Norman, D.N., and Pringle, P.T., 1997, Geologic maps of the Kendall and Deming 7.5' quadrangles, Washington, Washington Division of Geology and Earth Resources, Open-file Report 97-2, 39 p., 3 pl.

Dragovich, J.D., Norman, D.K., Haugerud, R.A., and Miller, R.B., 1999, Geologic map and bedrock history of the Gilbert 7.5-minute quadrangle, Chelan and Okanogan Counties, Washington, Washington Division of Geology and Earth Resources, 1997, Geologic Map GM-46, 67 p. and 1:24,000 map.

Evarts, R.C., 2001, Geologic map of the Deer Island 7.5-minute quadrangle, Columbia County, Oregon and Cowlitz County, Washington, U.S. Geological Survey Miscellaneous Field Studies Map XXXX, scale 1:24,000.

on-lineEvarts, R.C., 2001, Geologic map of the Silver Lake quadrangle, Cowlitz County, Washington: U.S. Geological Survey Miscellaneous Field Studies MF-2371, scale 1:24,000, with 37-p. pamphlet. http://geopubs.wr.usgs.gov/map-mf/mf2371/

Evarts, R.C., 2001, Geologic map of the Woodland 7.5-minute quadrangle, Clark and Cowlitz Counties, Washington, U.S. Geological Survey Miscellaneous Field Studies Map XXXX scale 1:24,000.

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Fisher, M. W., Flueh, E.R., Scholl, D.S., Parsons, Tom, Wells, R.E., Trehu, Anne, 1999, Geologic processes of accretion in the Cascadia subduction zone west of Washington state, Journal of Geodynamics, v. 27, p.277-288.

Fisher, M.A., Brocher, T.M., Parsons, T., Crosson, R.S., Creager, K.C., Trehu, A.M., Mosher, D.L., Hyndman, R.L., Blakely, R.J., and others, 1999, Results from the 1998 SHIPS experiment, regarding urban earthquake hazards in Cascadia , EOS, Transactions of the American Geophysical Union, v. 80, p. F762.

Fisher, M.A., Calvert, A.J., Parsons, Tom, Wells, R.E., Brocher, T.M., Weaver, C.S., and the SHIPS Working Group , 2000, Crustal structure from SHIPS seismic reflection data along a transect from the southern Puget Lowland north to the San Juan Islands, Supplement to EOS, Transactions of the American Geophysical Union, v. 81, p. 878.

Fisher, M.W., Flueh, E.R., Scholl, D.S., Parsons, Tom, Wells, R.E., Trehu, Anne, ten Brink, Uri, and Weaver, C.S., 1999, Geologic processes of accretion in the Cascadia subduction zone west of Washington state, Journal of Geodynamics, v. 27, p.277-288.

on-lineGivler, R.W. and Wells, R.E., 2001, Shaded-Relief and Color Shaded-Relief Maps of the Willamette Valley, Oregon, U.S. Geological Survey Open-File Report 01-294, http://geopubs.wr.usgs.gov/open-file/of01-294/

on-lineHaeussler, P.J. and Clark, K.P. , 2000, Geologic map of the Wildcat Lake 7.5' Quadrangle Kitsap County, Washington, U.S. Geological Survey Open-File Report OF00-356, scale 1:24,000, http://geopubs.wr.usgs.gov/open-file/of00-356.

Haeussler, P.J., Wells, R., Blakely, R.J., Murphy, J., Wooden, J., 2000, Constraints on structure and timing of movement of the Seattle fault from structural geology, geophysics, and geochronology of the Green and Gold Mountains igneous complex, Washington [abs.], 2000 Abstracts with Program, 96th Annual Meeting of the Cordilleran Section, Geological Society of America, April, 2000, p. A-16.

on-lineHaeussler, P.J., Yount, Jim, and Wells, R.E., 1999, Geologic map of the Uncas 7.5' Quadrangle Jefferson and Clallam Counties, Washington, U.S. Geological Survey Open-File Report OF99-421, scale 1:24,000, http://wrgis.wr.usgs.gov/open-file/of99-421.

Hagstrum, J. T., D. B. Booth, and K. G. Troost, 2000, Magnetostratigraphy and paleomagnetic correlation of Pleistocene deposits in the central Puget lowland, Washington, Geological Society of America, Abstracts with Programs, v. 32, p. A-16.

Hagstrum, J.T., 2000, Infrasound and the avian navigational map, Journal of Experimental Biology, v. 203, 1103-1111.

Hagstrum, J.T., and Jones, D.L., 1998, Paleomagnetism, paleogeographic origins, and uplift history of the Coast Range ophiolite at Mount Diablo, California, Journal of Geophysical Research, v. 103, p. 597-603.

Hagstrum, J.T., and Sedlock, R.L, 1999, Remagnetization of Cretaceous forearc strata on Santa Margarita and Magdalena Islands, Baja California Sur: Implications for northward translation along the California margin, Tectonics, v. 17, 872-882.

Hagstrum, J.T., Swanson, D.A., and Evarts, R.C., 1999, Paleomagnetism of an east-west transect across the Cascade arc in southern Washington: Implications for regional tectonism, Journal of Geophysical Research, v.104, 12,853-12,863.

Hagstrum, J.T., Swanson, D.A., and Snee, L.W. Paleomagnetism of the Miocene intrusive suite of Kidd Creek: Timing of deformation in the Cascade arc, southern Washington, Journal of Geophysical Research, v. 103, 21,047-21,056.

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Haugerud, R.A., 1996, Digital topographic-bathymetric map of Cascadia (39°NÐ53°N, 116°WÐ133°W), Geological Society of America Abstracts with Programs, v. 28.

Haugerud, R.A., 1997, Flexible map production from a composite geologic-map database, Geological Society of America Abstracts with Programs, v. 29, n. 6, p. A-306.

Haugerud, R.A., 1997, The North American Cordillera: A map for the study of active tectonics, Geological Society of America Abstracts with Programs, v. 29, n. 5, p. 19.

on-lineHaugerud, R.A., 1998, Geologic maps, spatial databases, and standards, in Soller, D.R., editor, Digital mapping techniques '98: U.S. Geological Survey Open-file Report 98-487, p. 41-46. http://pubs.usgs.gov/openfile/of98-487/haug1.html

Haugerud, R.A., 1998, Geologic maps, spatial databases, and standards, in Soller, D.R., editor, Proceedings of DMT98 (Digital Mapping Technologies 98), joint USGS-AASG workshop, Urbana, Illinois, May 27-30, 1998: USGS Open-File Report.

Haugerud, R.A., 1998, Preliminary report on significant thrusting and extension of the early Tertiary Chuckanut Formation, NW Washington, Slave-NORthern Cordillera Lithospheric Evolution (SNORCLE) and Cordilleran tectonics workshop: Lithoprobe Report, University of British Columbia, Secretariat [for the] Canadian Lithoprobe Program, Vancouver, BC, p. 203.

on-lineHaugerud, R.A., 1998, The North American Cordillera--a color shaded-relief map in oblique Mercator projection about the Pacific-North America pole of rotation, scale circa 1:5,000,000, U.S. Geological Survey Open-file Report 98-140, http://wrgis.wr.usgs.gov/open-file/of98-140.

on-lineHaugerud, R.A., 1999, Digital elevation model (DEM) of Cascadia, latitude 39N-53N, longitude 116W-133W, U.S. Geological Survey Open-file Report 99-369, http://geopubs.wr.usgs.gov/open-file/of99-369/.

Haugerud, R.A., 2000, A synoptic view of Vashon glaciation: The map, Geological Society of America Abstracts with Programs, v. 32, n. 6, p. A_.

Haugerud, R.A., 2001, Cascadia-Physiography, U.S. Geological Survey Miscellaneous Investigations Map I-2936, scale 1:2,000,000 (in press).

Haugerud, R.A., 2001, Mapping earth surfaces with digital topography: Experiences with LIDAR and conventional DEMs, Fifth International Conference on Geomorphology, Tokyo__

Haugerud, R.A., 2001, Seeing time and tectonics in the topography of the Puget Lowland, Fifth International Conference on Geomorphology, Tokyo__

Haugerud, R.A., and Booth, D.B., 2000, A synoptic view of Vashon glaciation: The movie, Geological Society of America Abstracts with Programs, v. 32, n. 6, p. A_.

Haugerud, R.A., and Greenberg, H., 1998, Recipes for digital cartography: Cooking with DEMs, in Soller, D.R., editor, Proceedings of DMT98 (Digital Mapping Technologies 98), joint USGS-AASG workshop, Urbana, Illinois, May 27-30, 1998: USGS Open-file Report.

on-lineHaugerud, R.A., and Greenberg, H.M., 1998, Recipes for digital cartography: Cooking with DEMs, in Soller, D.R., editor, Digital mapping techniques '98: U.S. Geological Survey Open-file Report 98-487, p. 119-126. http://pubs.usgs.gov/openfile/of98-487/haug2.html

Haugerud, R.A., and Tabor, R.W., 1997, Fast, easy, and accurate digital geologic maps: a composite map of the North Cascades, Washington, Geological Society of America Abstracts with Programs, v. 29, n. 6, p. A-306.

Haugerud, R.A., Ballantyne, D., Weaver, C.S., Meagher, K., and Barnett, E.A., 1999, Lifelines and earthquake hazards in the greater Seattle area, U.S. Geological Survey, Open-file Report 99-437.

Haugerud, R.A., Schuster, J.E., Booth, D.B., and Sacket, J., 1997, Progress towards a digital composite geologic-map database for the Puget Lowland, Abstract volume, 2nd Symposium on the Hydrogeology of Washington State, Evergreen State College, Olympia, Washington, August 23, 1997, p. 55.

Haugerud, R.A., Thomas, G., Palmer, S.P., and Lombard, P., 2001, Regional map view of instrumentally-determined ground motions, Nisqually earthquake of 28 February 2001, Seismological Research Letters, v. 72, p. 393.

Haugerud, R.A., Troost, K.G., Harp, E.L., Wegmann, K.W., Sherrod, B.L., Pratt, T.L., and Kramer, S.L., 2001, Regional map view of ground deformation associated with the Nisqually earthquake, 28 February 2001, Seismological Research Letters, v. 72, p. 393.

Haugerud, R.A., Weaver, C.S., and Harless, J., 2001, Finding faults with LIDAR in the Puget Lowland, Seismological Research Letters, v. 72, p. 253.

Hillhouse, J. W., and Wells, R.E., 1999, Paleomagnetism of Miocene volcanic rocks in the Newberry Mountains, California: vertical axis rotation and a polarity transition, Supplement to EOS, Transactions of the American Geophysical Union, v 80, p. 286.

Howard, K.A., 2001, Geologic map of the Battle Ground 7.5' quadrangle, Washington, U.S. Geological Survey Open-File Report, scale 1:24,000.

Howard, K.A., Haugerud, R.A., and Blakely, R.J., 2000, Neotectonics of the Portland basin: possible uplift and offset of latest Pleistocene Missoula flood deposits near Battle Ground, Washington , [abs.]: 2000 Abstracts with Program, 96th Annual Meeting of the Cordilleran Section, Geological Society of America, April, 2000, v. 32, n. 6, p. A-20.

on-lineIrwin, W.P. and Wooden J.L., 1999, Plutons and Accretionary Episodes of the Klamath Mountains, California and Oregon, U.S. Geological Survey Open-File Report 99-374.

Jayko, A.S., and Gallager, M, 1997, Reconnaissance geologic map of the Myrtle Creek 7.5' quadangle, Oregon, U.S. Geological Survey Open-file Report 97-527, 10 p., scale 1:24,000.

on-lineJayko, A.S., and Wells, R.E., 2001, Reconnaissance geologic map of the Dixonville 7.5' quadrangle, Oregon, U.S. Geological Survey Open-File Report 01-226, 1 sheet scale 1:24,000, http://geopubs.wr.usgs.gov/open-file/of01-226

Johnson, S.Y., Dadisman, S.V., Childs, J.R., Stanley, W.D., Bucknam, R.C., Haugerud, R.A., 1996, The Seattle Fault is offset by two active dextral strike-slip faults in Puget Sound, Washington; implications for earthquake hazards, Geological Society of America Abstracts with Programs, v. 28 n. 7, p. 415.

Johnson, S.Y., Dadisman, S.V., Mosher, D.C., Blakely, R.J., and Childs, J.R., 2000, Late Quaternary tectonics of the Devils Mountain fault and related structures, northern Puget Lowland, 2000 Abstracts with Program, 96th Annual Meeting of the Cordilleran Section, Geological Society of America, April, 2000, p. A-21.

Johnson, S.Y., Dadisman, S.V., Mosher, D.C., Blakely, R.J., Childs, J.R., and Rhea, S.B., 1999, Neotectonics of the Devils Mountain fault and northern Whidbey Island fault, eastern Strait of Juan de Fuca and northern Puget Lowland, Washington, Seismological Research Letters, v. 70, p. 220.

Johnson, S.Y., Dadisman, S.V., Mosher, D.C., Blakely, R.J., Childs, J.R., and Wells, R.E., 1998, Neotectonics of the eastern Strait of Juan de Fuca region, northwestern Washington and southwestern British Columbia [abstract], EOS, Transactions of the American Geophysical Union, v. 79, p. F897.

Johnson, S.Y., Dadsman, S.V., Mosher, D.C., Blakely, R.J., and Childs, J.R., 2001, Active tectonics of the Devils Mountain fault and related structures, northern Puget Lowland and eastern Strait of Juan de Fuca region, Pacific Northwest: , U.S. Geological Survey Professional Paper 1643 (65 p. text, 2 tables, 38 figs., 2 plates).

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Lanphere, M.A., Champion, D.E., Christiansen, R.L., Donnelly-Nolan, J.M., Fleck, R.J., Sarna-Wojcicki, A.M., Obradovich, J.D., and Izett, G.A., 1999, Evolution of tephra dating in the western United States [abstract], Geol. Soc. America, Abstracts With Programs, v. 31, no. 6, p. 73.

Liberty, L.M., Trehu, A.M., Blakely, R.J., and Dougherty, M.E., 1999, Integration of high resolution seismic and aeromagnetic data for earthquake hazards evaluations: an example from the Willamette Valley, Oregon, Seismological Society of America Bulletin, v. 89, p. 1473-1483.

Liberty, L.M., Trehu, A.M., Blakely, R.J., and Dougherty, M.E., 1999, Integration of high-resolution seismic and aeromagnetic data for earthquake hazards evaluations: an example from the Willamette Valley, Oregon, Seismological Society of America Bulletin, v. 89, p. 1473Ð1483.

Liberty, L.M., Trehu, A.M., Dougherty, M.D., and Blakely, R.J., 1996, High-resolution seismic-reflection imaging of the Mt. Angel/Gales Creek fault system beneath the Willamette Valley [abstract], EOS, Transactions of the American Geophysical Union, v. 77, p. F655.

Lowe, C., and Blakely, R., , 2000, Free-air and Bouguer gravity anomalies of the eastern Juan de Fuca Strait region, in Mosher, D.C., and Johnson, S.Y., editors, Rathwell, G.J., Kung, R.B., and Rhea, S.B., compilers, Neotectonics of the eastern Juan de Fuca Strait: a digital geological and geophysical atlas: Geological Association of Canada Open File Report 3931.

Mahan, Shannon A., Booth, Derek B., and Troost, Kathy Goetz, 2000, Luminescence Dating of Glacially Derived Sediments: A Case Study for the Seattle Geologic Mapping Project, [abstract], 2000 Abstracts with Programs, 96th Annual Meeting of the Cordilleran Section, Geological Society of America, Vancouver, British Columbia, April 2000, p. A-27.

Mahoney, J.B., Haugerud, R.A., Friedman, R.M., and Tabor, R.W., , 1996, Newby Group: Upper Jurassic volcanic-arc assemblage in the southern Methow terrane, Washington, Geological Society of America Abstracts with Programs, v. 28.

McDougall, Kristin, 1998, Paleooceanography and correlation of late Quaternary glacionmarine units in Washington, [abs.], Revista de la Sociedad Mexicana de Paleontologia, v. 9, p. 68-69.

Mclaughlin R.J., Clark, J.C., Jachens, R.C., Griscom, A., Langenheim, V., Schmidt, K.M., Wentworth, C.M., Wells, R.E., and Valin, Z., 1999, Geology and crustal structure of the Loma Prieta epicentral region, Supplement to EOS, Transactions of the American Geophysical Union, v 80, p. 40.

on-lineMeagher, K., and Haugerud, R.A., 1999, Partial digital transcription of Geologic map of Washington, SW quadrant, by Walsh and others, U.S. Geological Survey Open-File Report99-382, s2 sheets, scale 1:250,000, http://geopubs.wr.usgs.gov/open-file/of99-382.

Mosher, D.C., Johnson, S.Y., Rathwell, G.J., Kung, R.B., Blakely, R.J., Brocher, T.M., Hewitt, A., Dadsman, S.V., Lowe, C., and Mulder, T., 2001, Neotectonics of the eastern Strait of Juan de Fuca: A digital geologic and geophysical atlas on CD-ROM , Seismological Research Letters, v. 72, p. 269.

Nelson, A.R., Johnson, S.Y., Pezzopane, S.K., Wells, R.E., Kelsey, H.M., Sherrod, B.I., Koehler, R.D., III, Bradley, L-A., Bucknam, R.C., Laprade, W.T., Cox, J.W., and Narwold, C.F., 2000, Postglacial and Late Holocene Earthquakes on the Toe Jam Strand of the Seattle Fault, Bainbridge Island, Washington, Geological Society of America Abstracts with Programs, v. 32, p. A-58.

Nelson, A.R., Pezzopane, S.K., Bucknam, R.C., Koehler, R.D., Narwold, C.F., Kelsey, H.M., LaPrade, W.T., Wells, R.E., Johnson, S.Y., 1999, Holocene surface faulting in the Seattle fault zone, Bainbridge Island, Washington, Seismological Research Letters, v. 70, no. 2, p. 233.

Norris, R.D., Weaver, C.S., Meagher, K.L., Qamar, A., and Blakely, R.J., 1999, Earthquake swarms at Mount Hood: Relation to geologic structure, Seismological Research Letters, v. 70, p. 218.

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Parsons, T., Trehu, A.M., Luetgert, J.H., Miller, K., Kilbride, F., Wells, R.E., Flueh, E., Fisher, M.A., ten Brink, U.S., and Christiansen, N.I., 1998, A new view into the Cascadia subduction zone and volcanic arc: Implications for earthquake hazards along the Washington margin, Geology, v. 26, p. 199-202.

Parsons, Tom, Wells, Ray E., Fisher, M.A., Flueh, Ernst, ten Brink, U.S., 1999, Three-dimensional velocity structure of Siletzia and other accreted terranes in the Cascadia fore arc of Washington, Journal of Geophysical Research, v. 104, p. 18,015-18,039.

Peterson, J.J., Mahoney, J.B., and Haugerud, R.A., 1997, Constraints on Late Cretaceous movement on the Pasayten fault: The Pipestone Canyon Formation, Washington, Geological Society of America Abstracts with Programs, v. 29, n. 6, p. A-278.

Roberts, C.W., Blakely, R.J., and Finn, C.A., 1996, A merged aeromagnetic map of Oregon-new insights from existing data [abstract], 1996 Abstracts with Programs, 92nd Annual Meeting of the Cordilleran Section, Geological Society of America, Portland, Oregon, April, 1996, p. 105.

Romanyuk, T., Mooney, W.D., and Blakely, R.J., 1997, The Cascadia subduction zone: Two contrasting models of lithospheric structure [abstract], EOS, Transactions of the American Geophysical Union, v. 78, p. F717.

Romanyuk, T.V., Blakely, R., and Mooney, W.D., 1998, The Cascadia subduction zone: Two contrasting models of lithospheric structure, Physics and Chemistry of the Earth, v. 23, p. 297-301.

Sarna-Wojcicki, A.M., 1998, Appendix H, in Wakeley, L.D., Murphy, W.L., Dunbar, J.B., Warne, A.G., Briuer, F.L., and Nickens, P.R., 1998, Geologic, geoarcheologic, and historical investigation of the discovery site of ancient remains in Columbia Park, Kennewick, Washington, , Appendix H, in Wakeley, L.D., Murphy, W.L., Dunbar, J.B., Warne, A.G., Briuer, F.L., and Nickens, P.R., Geologic, geoarcheologic, and historical investigation of the discovery site of ancient remains in Columbia Park, Kennewick, Washington.

Sarna-Wojcicki, A.M., 1998, Appendix H, in Wakeley, L.D., Murphy, W.L., Dunbar, J.B., Warne, A.G., Briuer, F.L., and Nickens, P.R., 1998, Geologic, geoarcheologic, and historical investigation of the discovery site of ancient remains in Columbia Park, Kennewick, Washington, U.S. Army Corps of Engineers, Technical Report GL-98-13, p. H1-H17.

Sarna-Wojcicki, A.M., 1998, Appendix H, in Wakeley, L.D., Murphy, W.L., Dunbar, J.B., Warne, A.G., Briuer, F.L., and Nickens, P.R., 1998, Geologic, geoarcheologic, and historical investigation of the discovery site of ancient remains in Columbia Park, Kennewick, Washington, U.S. Army Corps of Engineers, Technical Report GL-98-13, p. H1-H17.

Sarna-Wojcicki, A.M., 1998, Tephrochronology; in Sowers, J.M., Noller, J.S., and Lettis, W.R., eds., 1998, Dating and Earthquakes: Review of Quaternary geochronology and its application to paleoseismology, U.S. Nuclear Regulatory Commission, NUREG-5562, Chapter 2.7.2, p. 2-569-2-596.

Sarna-Wojcicki, A.M., 2000, Tephrochronology (chapter), in Noler, J.S., Sowers, J.M., and Lettis, W.R., eds., ÒQuaternary Geochronology; Methods and Applications.Ó Americaan Geophysical Union Reference Shelf 4, p. 357-377.

Sarna-Wojcicki, A.M., Pringle, M.S., and Wijbrans, Jan, 2000, New 40Ar/39Ar age of the Bishop Tuff from multiple sites and sediment rate calibration of the Matuyama-Brunhes boundary. , Journal of Geophysical Research, v. 105, No. B9, p. 21,431-21,443.

Sherrod, B.L., Haeussler, P.J., Wells, R., Troost, K., and Haugerud, R., , 2001, Surface rupture in the Seattle fault zone near Bellevue, Washington, Seismological Research Letters, v. 72, p. 253.

on-lineTabor, R.W., Frizzell, V.A., Jr., Booth, D.B., and Waitt, R.B., Jr., 2001, Geologic map of the Snoqualmie Pass 30 x 60 minute quadrangle, Washington, U.S. Geological Survey Geologic Investigations Map I-2538, with pamphlet, 75 p., scale 1:100,000, http://geopubs.wr.usgs.gov/i-map/i2538.

on-lineTabor, Rowland and Haugerud, Ralph, 1999, Geology of the North Cascades: A Mountain Mosaic, The Mountaineers, Seattle, 143 p., http://geology.wr.usgs.gov/docs/usgsnps/noca/noca1.html.

on-line Terry, T., Beeson, M., and Wheeler, K.M., 1999, Geologic Map of the Scotts Mills, Silverton, and Stayton Northeast 7.5 Minute Quadrangles, Northwest Oregon: A Digital Database, U.S. Geological Survey Open-File Report 99-141.

on-line Tolan, T.L., Beeson, M.H., DuRoss, C.B.,2000, Geologic Map and Database of the Salem East and Turner 7.5-Minute Quadrangles, Marion County, Oregon: A Digital Database, U.S. Geological Survey Open-File Report 00-351 .

Troost, K.G. and Booth, D.B., 1997, Quaternary stratigraphy of the Tacoma area-Field Trip Guide Book, The 2nd Symposium on the Hydrogeology of Washington State, Washington State Department of Ecology and Washington Hydrogeologic Society, August 25-27, 1997, 13 p.

Troost, K.G. and Booth, D.B., 1997, Quaternary stratigraphy of the Tacoma area-status of mapping efforts, Abstracts, The 2nd Annual Symposium on the Hydrogeology of Washington State, Washington Department of Ecology and The Washington Hydrogeologic Society, August 25-27, 1997.

Troost, K.G. and Booth, D.B., 1999, Quaternary stratigraphy of the Seattle area, Seattle Urban Geologic Hazards Workshop, Program and Abstracts, Feb 24 and 25, Seattle, Washington.

Troost, K.G., and Booth, D.B., 1997, Quaternary stratigraphy of the Tacoma area-status of mapping efforts, Abstract volume, 2nd Symposium on the Hydrogeology of Washington State, Evergreen State College, Olympia, Washington, August 23, 1997, p. 103.

Troost, K.G., Booth, D.B., Sarna-Wojcicki, A., Meyer, C.E., and Hagstrum, J.T., 1997, Chronology, mineralogy, and correlation of Quaternary tephra and mudflow deposits in the Central Puget Lowland, Washington state, Abstracts with Programs, 1997 Annual Meeting, The Geological Society of America, Salt Lake City, Utah, Oct. 20-23, 1997, p. A-411.

Troost, K.G., Booth, D.B., Shimel, S.A., Haugerud, R.A., Kramer, S.L., Kayen, R.E., and Barnhardt, W.A., 2001, Geologic controls on ground failures in Seattle and vicinity during the 2001 Nisqually earthquake, Seismological Research Letters, v. 72, p. 396.

Troost, K.G., Haugerud, R.A., Walsh, T.J., Harp, E.L., Booth, D.B., Steele, W.P., Wegmann, K.W., Pratt, T.L., Sherrod, B.S., and Kramer, S.L., 2001, Ground failures produced by the Nisqually earthquake, Seismological Research Letters, v. 72, p. 396.

Troost, K.G., Mahoney, J.B., Booth, D.B., and Borden, R.K., 1998, Discriminating glacial from nonglacial sediments of the south-central Puget Lowland, Program with Abstracts, Annual Meeting, Seattle, WA, Sept 30-Oct 3, Association of Engineering Geologists, p. 130.

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on-line Walsh,T.J., Korosec, M.A., Phillips, W.M., Logan, R.L., Schasse, H.W., Meagher, K.L., and Haugerud, R.A.1999, Geologic Map of Washington—Southwest Quadrant (digital edition) U.S. Geological Survey Open-file Report 99-382, version 1.0 .

Weaver, C.S., Meagher, K., Blakely, R.A., and Wells, R.E., 1999, The June 23 1997 Bainbridge Island, Washington, earthquake: Evidence that the Seattle fault is seismically active, Seismological Research Letters, v. 70, p. 219-220.

Weaver, C.S., Troost, K.G., Booth, D.B., Frankel, A., Wells, R.E., Mullen, J., and Nolan, T., 1999, The Seattle urban seismic hazard mapping project: a USGS contribution to Seattle's Project Impact, Seismological Research Letters, v. 70, no. 2, p. 256.

Weaver, C.S., Yelin, T.S., Meagher, K.L., Wells, R.E., and Blakely, R.J., 1998, Crustal earthquakes in Cascadia: Evidence for North American plate block tectonics [abstract], EOS, Transactions of the American Geophysical Union, v. 79, p. F874.

on-line Wells, R.E., Snavely, P.D. Jr, MacLeod, N.S., Kelly, M.M., Parker, M.J., Fenton, J.S., and Felger, T.J., 1995, Geologic Map of the Tillamook Highlands, Northwest Oregon Coast Range: A Digital Database, U.S. Geological Survey Open-File Report 95-670.

Wells, R. E., Blakely, R. J., and Sugiyama, Y., 2000, Forearc basins and co-seismic slip in great subduction zone earthquakes, Supplement to EOS, Transactions of the American Geophysical Union, v. 81, p. 907.

Wells, R. E., Blakely, R. J., Simpson, R.W., and Sugiyama, Y., 2000, Tectonics of the Cascadia subduction zone, Northwest U.S. and adjacent Canada, Penrose Conference 2000, Great Cascadia Earthquake Tricentennial; Proceedings of the Geological Society of America Penrose Conference: Oregon Department of Geology and Mineral Industries Special Paper 33, p.135-136.

Wells, R., Blakely, R., and Weaver, C., 2000, Tectonic plates, microplates, and earthquakes in Cascadia, : in Cascadia Quakes, a Tricentennial Exposition: U.S. Geological Survey, University of Washington, Burke Museum of Natural History and Culture, p. 10.

Wells, R., Blakely, R., and Weaver, C., 2000, Tectonic plates, microplates, and earthquakes in Cascadia, in Cascadia Quakes, a Tricentennial Exposition: U.S. Geological Survey, University of Washington, Burke Museum of Natural History and Culture, p. 10.

Wells, R.E., and Johnson, S.Y., 2001, Deformation of western Washington resulting from northward migration of the Cascadia forearc, Seismological Research Letters, v. 72, p. 237.

Wells, R.E., and Simpson, R.W. , 2001, Microplate motion of the Cascadia forearc and implications for subduction deformation, Earth Planets Space, v. 53, p. 275-283.

Wells, R.E., Blakely, R.J., and Weaver, C.S., 1998, Tectonics and earthquake potential of Cascadia: Effects of rotation and northward transport of fore-arc crustal blocks in Oregon and Washington [abstract], Abstracts, Western Pacific Geophysics Meeting, Taipei.

on-lineWells, R.E., Jayko, A.S., Niem, A.R., Black, G., Wiley, T., Baldwin, E., and Molenaar, K.M., Wheeler, K.L., DuRoss, C.B., and Givler, R.W., 2000, Geologic map and database of the Roseburg, Oregon 30' x 60' Quadrangle, Douglas and Coos Counties, Oregon, U.S. Geological Survey Open-File Report 00-376, 2 sheets and 60 p. pamphlet, scale 1:100,000, http://geopubs.wr.usgs.gov/open-file/of00-376.

Wells, R.E., Weaver, C.S., and Blakely, R.J., 1998, Cascadia forearc migration and its neotectonic significance, EOS, Transactions of the American Geophysical Union, v. 79, p. F874.

Wells, R.E., Weaver, C.S., and Blakely, R.J., 1998, Fore-arc migration in Cascadia and its neotectonic significance, Geology, v. 26, p. 759-762.

Wells, R.E., Weaver, C.S., and Blakely, R.J., 1999, Microplate motions and neotectonics of the Cascadia forearc, Seismological Research Letters, v. 70, p. 209.

Wells, Ray E., and Johnson, S.Y., 2000, Neotectonics of Western Washington and the Puget Lowland Resulting from Northward Migration of the Cascadia Forearc, Geological Society of America Abstracts with Programs, v. 32, p. A-75.

Wells, Ray E., Weaver, C.S., and Blakely, R.J., 1996, Crustal block motions in the Pacific Northwest: Implications for the earthquake potential of the Cascadia forearc [abstract], 1996 Abstracts with Programs, 92nd Annual Meeting of the Cordilleran Section, Geological Society of America, Portland, Oregon, April, 1996, p. 123.

Whitlock, Cathy, Sarna-Wojcicki, A.M., Bartlein, P.J., and Nickmann, R.J., 2000, Environmental history and tephrostratigraphy at Carp Lake, southwestern Columbia Basin, Washington, USA, Palaeogeography, Palaeoclimatology, Palaeoecology, v. 155, p. 7-29.

Wong, I.G., Pezzopane, S.K., and Blakely, R.J., 1999, A characterization of seismic sources in western Washington and northwestern Oregon, Seismological Research Letters, v. 70, 70, p. 221.

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