GIS coverages of the Castle Mountain Fault, south central Alaska
Keith A. Labay, Peter J. Haeussler
2001, Open-File Report 2001-504
The Castle Mountain fault is one of several major east-northeast-striking faults in southern Alaska, and it is the only fault with had historic seismicity and Holocene surface faulting. This report is a digital compilation of three maps along the Castle Mountain fault in south central Alaska. This compilation consists only...
Report for borehole explosion data acquired in the 1999 Los Angeles Region Seismic Experiment (LARSE II), Southern California: Part I, description of the survey
Gary S. Fuis, Janice M. Murphy, David A. Okaya, Robert W. Clayton, Paul M. Davis, Kristina Thygesen, Shirley A. Baher, Trond Ryberg, Mark L. Benthien, Gerry Simila, J. Taylor Perron, Alan K. Yong, Luke Reusser, William J. Lutter, Galen Kaip, Michael D. Fort, Isa Asudeh, Russell Sell, John R. Van Schaack, Edward E. Criley, Ronald Kaderabek, Will M. Kohler, Nickolas H. Magnuski
2001, Open-File Report 2001-408
The Los Angeles Region Seismic Experiment (LARSE) is a joint project of the U.S. Geological Survey (USGS) and the Southern California Earthquake Center (SCEC). The purpose of this project is to produce seismic images of the subsurface of the Los Angeles region down to the depths at which earthquakes occur,...
Vertical-deformation, water-level, microgravity, geodetic, water-chemistry, and flow-rate data collected during injection, storage, and recovery tests at Lancaster, Antelope Valley, California, September 1995 through September 1998
Loren F. Metzger, Marti E. Ikehara, James F. Howle
2001, Open-File Report 2001-414
A series of freshwater injection, storage, and recovery tests were conducted from September 1995 through September 1998 to evaluate the feasibility of artificially recharging ground water in the Lancaster area of the Antelope Valley, California. The tests used two production wells at a well field located in the southern part...
Hydrologic data for Long Valley Caldera, Mono County, California, 1994-96
James F. Howle, Christopher D. Farrar
2001, Open-File Report 2000-230
Hydrologic data were collected during 1994-96 as part of the U.S. Geological Survey's long-term Volcanic Hazards Monitoring Program of the Long Valley Caldera, Mono County, California, and the Long Valley Hydrologic Advisory Committee monitoring program. Hydrologic data collected include continuous record of ground-water levels in 4 wells; instantaneous measurements of...
Citizen knowledge and perception of black-tailed prairie dog management: Report to respondents
Natalie R. Sexton, Ayeisha Brinson, Phadrea D. Ponds, Kurt Cline, Berton L. Lamb
2001, Open-File Report 2001-467
What do citizens know about black-tailed prairie dogs, and where do they get their information? When management decisions need to be made regarding an animal such as the black-tailed prairie dog, an understanding of the species and its relationship to humans is necessary. This includes knowing the biology of the...
Geologic map of the Sunnymead 7.5' quadrangle, Riverside County, California
Douglas M. Morton, Jonathan C. Matti
2001, Open-File Report 2001-450
Open-File Report 01-450 contains a digital geologic map database of the Sunnymead 7.5’ quadrangle, Riverside County, California that includes: ARC/INFO (Environmental Systems Research Institute, http:/www.esri.com) version 7.2.1 coverages of the various elements of the geologic map. A Postscript file to plot the geologic map on a topographic base, containing a Correlation of...
Implications for the formation of the Hollywood Basin from gravity interpretations of the northern Los Angeles Basin, California
Thomas G. Hildenbrand, Jeffrey G. Davidson, Daniel J. Ponti, V.E. Langenheim
2001, Open-File Report 2001-394
Gravity data provide insights on the complex tectonic history and structural development of the northern Los Angeles Basin region. The Hollywood basin appears to be a long (> 12 km), narrow (up to 2 km wide) trough lying between the Santa Monica Mountains and the Wilshire arch. In the deepest...
Geologic map of the Lake Mathews 7.5' quadrangle, Riverside County, California
Douglas M. Morton, F. Harold Weber
2001, Open-File Report 2001-479
Open-File Report 01-479 contains a digital geologic map database of the Lake Mathews 7.5’ quadrangle, Riverside County, California that includes: ARC/INFO (Environmental Systems Research Institute, http://www.esri.com) version 7.2.1 coverages of the various elements of the geologic map. A PostScript file to plot the geologic map on a topographic base, containing a Correlation...
Temporal changes in grain size and organic-mineral aggregates in surficial sediments near the Massachusetts Bay outfall site
Richard R. Rendigs, Michael H. Bothner
2001, Open-File Report 2001-499
Pesticides in selected water-supply reservoirs and finished drinking water, 1999-2000; summary of results from a pilot monitoring program
J. D. Blomquist, J. M. Denis, J.A. Hetrick, R.D. Jones, N.B. Birchfield
2001, Open-File Report 2001-456
Assessment method for epithermal gold deposits in northeast Washington State using weights-of-evidence GIS modeling
D. E. Boleneus, G. L. Raines, J. D. Causey, A. A. Bookstrom, T. P. Frost, P. C. Hyndman
2001, Open-File Report 2001-501
The weights-of-evidence analysis, a quantitative mineral resource mapping tool, is used to delineate favorable areas for epithermal gold deposits and to predict future exploration activity of the mineral industry for similar deposits in a four-county area (222 x 277 km), including the Okanogan and Colville National Forests of northeastern Washington....
Surficial geology of the lower Comb Wash, San Juan County, Utah
Claire I. Longpre
2001, Open-File Report 2001-424
The surficial geologic map of lower Comb Wash was produced as part of a master’s thesis for Northern Arizona University Quaternary Sciences program. The map area includes the portion of the Comb Wash alluvial valley between Highway 163 and Highway 95 on the Colorado Plateau in southeastern Utah. The late...
Spatial digital database for the geologic map of the east part of the Pullman 1° x 2° quadrangle, Idaho
William C. Rember, Earl H. Bennett
2001, Open-File Report 2001-262
The paper geologic map of the east part of the Pullman 1° x 2° degree quadrangle, Idaho (Rember and Bennett, 1979) was scanned and initially attributed by Optronics Specialty Co., Inc. (Northridge, CA) and remitted to the U.S. Geological Survey for further attribution and publication of the geospatial digital files....
Algal Data from Selected Sites in the Upper Colorado River Basin, Colorado, Water Years 1996-97
Scott V. Mize, Jeffrey R. Deacon
2001, Open-File Report 2000-266
Algal community samples were collected at 15 sites in the Upper Colorado River Basin in Colorado as part of the National Water-Quality Assessment Program during water years 1996-97. Sites sampled were located in two physiographic provinces, the Southern Rocky Mountains and the Colorado Plateaus, and represented agricultural, mining, urban, and...
Report of the review of the Global Seismograph Network Program of the U.S. Geological Survey
J.R. Filson, Kaye Shedlock
2001, Open-File Report 2001-460
Baseline channel morphology and bank erosion inventory of South Fork Campbell Creek at Campbell Tract, Anchorage, Alaska, 1999 and 2000
Janet H. Curran
2001, Open-File Report 2001-288
South Fork Campbell Creek drains largely undeveloped land in Anchorage, Alaska, but supports heavy use near the Bureau of Land Management (BLM) Campbell Tract facility for recreation and environmental education. To help assess the impacts of human activities in the basin on biological communities, particularly aquatic and terrestrial biota, morphological...
Bouguer gravity anomaly map of the Dead Sea fault system, Jordan and Israel: contour interval 2 mGal
Uri S. ten Brink, Abdallah Al-Zoubi, Michael Rybakov
2001, Open-File Report 2001-216
Basement geophysical interpretation of the National Petroleum Reserve Alaska (NPRA), Northern Alaska
R. W. Saltus, T. L. Hudson, J. D. Phillips
2001, Open-File Report 2001-476
Colorado vermiculite deposits: mines, prospects, and occurrences
Bradley S. VanGosen, Alfred L. Bush
2001, Open-File Report 2001-475
Publications of Volcano Hazards Program 2000
Manuel Nathenson
2001, Open-File Report 2001-464
The Volcano Hazards Program of the U.S. Geological Survey (USGS) is part of the Geologic Hazards Assessments subactivity as funded by Congressional appropriation. Investigations are carried out in the Geology and Hydrology Disciplines of the USGS and with cooperators at the Alaska Division of Geological and Geophysical Surveys, University of...
Results of chemical and stable isotopic analyses of water samples collected in the Patagonia Mountains, southern Arizona
Richard B. Wanty, Wayne C. Shanks III, Paul Lamothe, A. L. Meier, Fred Lichte, Paul H. Briggs, Byron R. Berger
2001, Open-File Report 2001-463
Water samples were collected in the Patagonia Mountains in February, 1997. Most of the samples were collected from portals of abandoned mines, or from stream drainages immediately downstream from abandoned mines. Most of the samples have low pH ( 1000 mg/L). Anion composition of...
Geologic map of the Steele Peak 7.5' quadrangle, Riverside County, California
Douglas M. Morton, Rachel M. Alvarez, Van M. Diep
2001, Open-File Report 2001-449
Open-File Report 01-449 contains a digital geologic map database of the Steele Peak 7.5’ quadrangle, Riverside County, California that includes: ARC/INFO (Environmental Systems Research Institute, http://www.esri.com) version 7.2.1 coverages of the various elements of the geologic map. A Postscript file to plot the geologic map on a topographic base, and containing a...
Inferred oil and gas reserve estimates for the United States
E. D. Attanasi
2001, Open-File Report 2001-447
Landslides triggered by Hurricane Mitch in Guatemala -- inventory and discussion
Robert C. Bucknam, Jeffrey A. Coe, Manuel Mota Chavarria, Jonathan W. Godt, Arthur C. Tarr, Lee-Ann Bradley, Sharon A. Rafferty, Dean Hancock, Richard L. Dart, Margo L. Johnson
2001, Open-File Report 2001-443
The torrential rains that accompanied Hurricane Mitch in October and November of 1998 triggered thousands of landslides in the moderate to steep terrain bordering the Motagua and Polochic Rivers in eastern Guatemala. Using aerial photographs taken between January and March 2000 we mapped all visible landslides larger than about 15 m in minimum dimension in a study area of...
A test of a mechanical multi-impact shear-wave seismic source
David M. Worley, Jack K. Odum, Robert A. Williams, William J. Stephenson
2001, Open-File Report 2001-440
We modified two gasoline-engine-powered earth tampers, commonly used as compressional-(P) wave seismic energy sources for shallow reflection studies, for use as shear(S)-wave energy sources. This new configuration, termed ?Hacker? (horizontal Wacker?), is evaluated as an alternative to the manual sledgehammer typically used in conjunction with a large timber held down...