Publications of the Western Geologic Mapping Team 1997-1998
Paul Stone, C.L. Powell II
1999, Open-File Report 99-302
The Western Geologic Mapping Team (WGMT) of the U.S. Geological Survey, Geologic Division (USGS, GD), conducts geologic mapping and related topical earth-science studies in the western United States. This work is focused on areas where modern geologic maps and associated earth-science data are needed to address key societal and environmental...
Preliminary mineral resource assessment of selected industrial and collector minerals of the Prescott National Forest, Arizona
J. D. Bliss
1999, Open-File Report 99-305
Water quality and habitat conditions in upper Midwest streams relative to riparian vegetation and soil characteristics, August 1997 : study design, methods, and data
S. K. Sorenson, S. D. Porter, K.B. Akers, M.A. Harris, S. J. Kalkhoff, K. E. Lee, L. Roberts, P. J. Terrio
1999, Open-File Report 99-202
Water-chemistry, biological, and habitat data were collected from 70 sites on Midwestern streams during August 1997 as part of an integrated, regional water-quality assessment by the U.S. Geological Survey National Water-Quality Assessment (NAWQA) Program. The study area includes the Corn Belt region of southern Minnesota, eastern Iowa, and west-central Illinois,...
Water-quality and lake-stage data for Wisconsin lakes, water year 1998
Dale M. Robertson, J. F. Elder, H.S. Garn, G. L. Goddard, S.B. Marsh, D.L. Olson, W. J. Rose
1999, Open-File Report 99-98
The U.S. Geological Survey (USGS), in cooperation with local and other agencies, collects data at selected lakes throughout Wisconsin. These data, accumulated over many years, provide a data base for developing an improved understanding of the water quality of lakes. To make these data available to interested parties outside the...
Long Valley Coring Project, Inyo County, California, 1998, preliminary stratigraphy and images of recovered core
Penelope C. Sackett, Vicki S. McConnell, Angela L. Roach, Susan S. Priest, John H. Sass
1999, Open-File Report 99-158
Phase III of the Long Valley Exploratory Well, the Long Valley Coring Project, obtained continuous core between the depths of 7,180 and 9,831 ft (2,188 to 2,996 meters) during the summer of 1998. This report contains a compendium of information designed to facilitate post-drilling research focussed on the study of...
Water-quality assessment of the eastern Iowa basins: Data, September 1995 through September 1996
Kimberlee K.B. Akers, Douglas J. Schnoebelen, Mark E. Savoca, Linda R. Roberts, Kent Becher
1999, Open-File Report 99-66
The U.S. Geological Survey began data-collection activities in the Eastern Iowa Basins study unit of the National Water-Quality Assessment Program in September 1995 with the purpose of determining the status and trends in water quality. Surface-water data were collected, beginning in March 1996, on a monthly basis with occasional extra...
Preliminary report on the International Energy Agency mode of occurrence inter-laboratory comparison; Phase I, USGS results
Curtis A. Palmer, Allan Kolker, Jason C. Willett, Stanley J. Mroczkowski, Robert B. Finkelman, K.C. Taylor, F.T. Dulong, J. H. Bullock Jr.
1999, Open-File Report 99-160
No abstract available....
Geophysical surveys of Country Pond and adjacent wetland, and implications for contaminant-plume monitoring, Kingston, New Hampshire, 1998
J. D. Ayotte, Thomas J. Mack, C. M. Johnston
1999, Open-File Report 99-51
No abstract available....
The determination of forty two elements in geological materials by inductively coupled plasma-mass spectrometry
Paul H. Briggs, A. L. Meier
1999, Open-File Report 99-166
No abstract available....
Geologic map of the Shumway Reservoir Quadrangle, Malheur County, Oregon
J. G. Evans, G. B. Binger
1999, Open-File Report 99-138
The Washington and Oregon mid-shelf silt deposit and its relation to the late Holocene Columbia River sediment budget
Stephen C. Wolf, Hans Nelson, Michael R. Hamer, Gita Dunhill, R. Lawrence Phillips
1999, Open-File Report 99-173
The purpose of this report is to compile and analyze existing data which lend support to the development of a sediment budget for the Columbia River, coastal, and offshore regions of southwest Washington. This will contribute to the construction of a sediment budget model which will reflect sediment sources, depocenters,...
Potentiometric surface of the upper Floridan aquifer in the St. Johns River Water Management District and vicinity, Florida, September 1998
L. A. Bradner
1999, Open-File Report 99-100
No abstract available....
Potentiometric surfaces of the intermediate aquifer system, west-central Florida, May 1998
J. C. Broska, J. A. Mattie, A. E. Torres, M. A. Corral
1999, Open-File Report 99-58
No abstract available....
Geology of the Engineer Pass to Cinnamon Pass Loop, west of Lake City, San Juan Mountains, Colorado
Anna B. Wilson, Marc D. Woodard
1999, Open-File Report 99-133
Turbidite pathways in Cascadia Basin and Tufts abyssal plain, Part A, Astoria Channel, Blanco Valley, and Gorda Basin
Stephen C. Wolf, Michael R. Hamer
1999, Open-File Report 99-157
This open-file report was prepared in support of the USGS Earthquake Hazards of Cascadia Project. The primary objective of this phase of the project is to determine recurrence intervals of turbidites in Cascadia basin-floor channel systems and evaluate implications of this event record for the paleoseismic history of the Cascadia...
Geologic maps and block diagrams of the Barite Hill gold-silver deposit and vicinity, South Carolina and Georgia
Sandra H. B. Clark
1999, Open-File Report 99-148-A
How to build a model illustrating sea-floor spreading and subduction
J.C. Lahr
1999, Open-File Report 99-132
This report describes how to build a model of the outer 300 km (180 miles) of the Earth that can be used to develop a better understanding of the principal features of plate tectonics, including sea-floor spreading, the pattern of magnetic stripes frozen into the sea floor, transform faulting, thrust...
Trace elements and major-element oxides in the Phosphoria Formation at Enoch Valley, Idaho; Permian sources and current reactivities
D.Z. Piper
1999, Open-File Report 99-163
Simulation of the effects of operating lakes Mendota, Monona, and Waubesa, south-central Wisconsin, as multipurpose reservoirs to maintain dry-weather flow
W.R. Krug
1999, Open-File Report 99-67
A digital reservoir routing model was used to simulate the operation of Lakes Mendota, Monona, and Waubesa, south-central Wisconsin for various levels of minimum release. Twenty-five years of record (1970?94) were used in model simulation. The amount of water available to maintain streamflow and lake levels during dry periods has...
Extensometer, water-level, and lithologic data from Bacon and Bethel Islands in Sacramento-San Joaquin Delta, California, September 1987 to August 1993
Barry D. Kerr, David A. Leighton
1999, Open-File Report 98-631
Compaction, water-level, and lithologic data were collected at extensometer sites on Bacon and Bethel Islands, anchored at 436 and 536 feet below land surface, respectively. The data reported here are part of a study of the processes causing subsidence in the Sacramento?San Joaquin Delta. The depths were selected to ensure...
Cruise report for A1-98-SC southern California Earthquake Hazards Project
William R. Normark, Robert G. Bohannon, Ray Sliter, Gita Dunhill, David W. Scholl, Jane Laursen, Jane A. Reid, David Holton
1999, Open-File Report 99-152
The focus of the Southern California Earthquake Hazards project, within the Western Region Coastal and Marine Geology team (WRCMG), is to identify the landslide and earthquake hazards and related ground-deformation processes that can potentially impact the social and economic well-being of the inhabitants of the Southern California coastal region, the...
Characterization of stormwater discharges at the Guanajibo Industrial Park, Mayaguez, Puerto Rico, 1997-98
J. M. Rodriguez
1999, Open-File Report 99-180
Geochemical investigations and interim recommendations for priority abandoned mine sites on U.S.D.A. Forest Service lands, Mineral Creek watershed, San Juan County, Colorado
J. T. Nash
1999, Open-File Report 99-170
Field observations, sampling of mine dumps and mine drainage waters, and laboratory studies of dump materials have been made at mining areas deemed to be on public lands administered by the USDA Forest Service in the Mineral Creek watershed. Results of chemical analyses of dump materials, leachates of those materials, and of surface waters...
Modified Mercalli intensities for some California north-coast earthquakes
W. H. Bakun
1999, Open-File Report 99-171
Modified Mercalli Intensity (MMI) data are used by Bakun (in preparation) to estimate the location and moment magnitude M of California north-coast earthquakes from MMI observations only. The MMI data and site corrections used by Bakun (in preparation) are listed in this Open-file Report. This report is also accessible at...
An ARC/Info point coverage of Mineral Resource Data System (MRDS) locations in eleven western states
David G. Frank
1999, Open-File Report 99-169
This ARC/Info coverage, derived from the USGS Mineral Resource Data System (MRDS), contains 60,490 records that fall within the states of Arizona, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, Utah, Washington, Wyoming. The dataset has 13 fields containing information on record identification, location, commodity, geology, and deposit type. The...
