Potential minability and economic viability of the Antaramut-Kurtan-Dzoragukh coal field, north-central Armenia; a prefeasibility study
Douglas W. Huber, Brenda S. Pierce
2000, Bulletin 2178
The U. S. Geological Survey (USGS) conducted a coal resource assessment of several areas in Armenia from 1997 to 1999. This report, which presents a prefeasibility study of the economic and mining potential of one coal deposit found and studied by the USGS team, was prepared using all data available at the time...
Geologic map and digital database of the Apache Canyon 7.5' quadrangle, Ventura and Kern counties, California
Paul Stone, P. M. Cossette
2000, Open-File Report 2000-359
The Apache Canyon 7.5-minute quadrangle is located in southwestern California about 55 km northeast of Santa Barbara and 65 km southwest of Bakersfield. This report presents the results of a geologic mapping investigation of the Apache Canyon quadrangle that was carried out in 1997-1999 as part of the U.S. Geological...
Digital Map of Saturated Thickness in the High Plains Aquifer in Parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1996 to 1997
Brian C. Fischer, Keith M. Kollasch, Virginia L. McGuire
2000, Open-File Report 2000-300
This digital data set consists of saturated thickness contours for the High Plains aquifer in Central United States, 1996-97. The High Plains aquifer extends from south of 32 degrees to almost 44 degrees north latitude and from 96 degrees 30 minutes to 104 degrees west longitude. The aquifer...
Three-month performance evaluation of the Nanometrics, Inc., Libra Satellite Seismograph System in the northern California Seismic Network
David H. Oppenheimer
2000, Open-File Report 2000-330
In 1999 the Northern California Seismic Network (NCSN) purchased a Libra satellite seismograph system from Nanometrics, Inc to assess whether this technology was a cost-effective and robust replacement for their analog microwave system. The system was purchased subject to it meeting the requirements, criteria and tests described in Appendix A....
Simple Techniques For Assessing Impacts Of Oil And Gas Operations On Federal Lands - A Field Evaluation At Big South Fork National River And Recreation Area, Scott County, Tennessee
James K. Otton, Robert A. Zielinski
2000, Open-File Report 2000-499
Simple, cost-effective techniques are needed for land managers to assess the environmental impacts of oil and gas production activities on public lands so that sites may be prioritized for further, more formal assessment or remediation. These techniques should allow the field investigator to extend the assessment beyond the surface disturbances documented by simple observation and mapping...
Principal facts for gravity stations in the Antelope Valley-Bedell Flat area, west-central Nevada
Eleanore B. Jewel, David A. Ponce, Robert L. Morin
2000, Open-File Report 2000-506
In April 2000 the U.S. Geological Survey (USGS) established 211 gravity stations in the Antelope Valley and Bedell Flat area of west-central Nevada (see figure 1). The stations were located about 15 miles north of Reno, Nevada, southwest of Dogskin Mountain, and east of Petersen Mountain, concentrated in Antelope Valley...
Basement structure beneath Langford Well Lake basin, Fort Irwin, California, based on inversion of gravity data
Robert L. Morin
2000, Open-File Report 2000-518
Gravity data were used to study the basement structure of Langford Well Lake basin at the U.S. Army National Training Center, Fort Irwin, California. Figure 1 shows the location of the study area. During 1996 and 1999, 290 new gravity stations were measured. These data were merged with existing data...
Surface Water Quality-Assurance Plan for the North Florida Program Office of the U.S. Geological Survey
Marvin A. Franklin
2000, Open-File Report 2000-199
The U.S. Geological Survey, Water Resources Division, has a policy that requires each District office to prepare a Surface Water Quality-Assurance Plan. The plan for each District describes the policies and procedures that ensure high quality in the collection, processing, analysis, computer storage, and publication of surface-water data. The North...
An assessment of irrigation needs and crop yield for the United States under potential climate changes
Kelly Brumbelow, Aris P. Georgakakos
2000, Open-File Report 2000-332
Past assessments of climate change on U.S. agriculture have mostly focused on changes in crop yield. Few studies have included the entire conterminous U.S., and few studies have assessed changing irrigation requirements. None have included the effects of changing soil moisture characteristics as determined by changing climatic forcing. This study...
Selected hydrologic and water-quality data, 1997 through 1999, for the Lake Traverse Reservation/Roberts County water-resources investigation in South Dakota
R. F. Thompson
2000, Open-File Report 2000-445
Analytical results and sample locations of reanalyzed NURE stream-sediment and soil samples for the Humboldt River basin mineral-environmental assessment, northern Nevada
H. W. Folger (compiler)
2000, Open-File Report 2000-421
The U.S. Geological Survey (USGS), in cooperation with the Bureau of Land Management (BLM), began a study in 1996 to describe to the geochemistry of the Humboldt River Basin. The principal sample media evaluated are stream-sediment and soil samples retrieved from the National Uranium Resource Evaluation (NURE) archives located in...
Soil moisture tendencies into the next century for the conterminous United States
Konstantine P. Georgakakos, Diane E. Smith
2000, Open-File Report 2000-335
A monthly snow-pack and soil- moisture accounting model is formulated for application to each of the climate divisions of the conterminous United States for use in climate impacts-assessment studies. Statistical downscaling and bias-adjustment components complement the model for the assimilation of large-scale global climate model data. Simulations of the formulated...
Concentrations and loads of cadmium, lead, and zinc measured near the peak of the 1999 snowmelt-runoff hydrographs for 42 water-quality stations, Coeur d'Alene River basin, Idaho
Paul F. Woods
2000, Open-File Report 2000-322
The Remedial Investigation/Feasibility Study conducted by the U.S. Environmental Protection Agency within the Spokane River Basin of northern Idaho and eastern Washington included extensive data-collection activities to determine the nature and extent of trace-element contamination within the basin. The U.S. Geological Survey designed and implemented synoptic sampling of the 1999...
Cruise report for A1-00-SC southern California earthquake hazards project, part A
Christina E. Gutmacher, William R. Normark, Stephanie L. Ross, Brian D. Edwards, Ray Sliter, Patrick Hart, Becky Cooper, Jon Childs, Jane A. Reid
2000, Open-File Report 2000-516
A three-week cruise to obtain high-resolution boomer and multichannel seismic-reflection profiles supported two project activities of the USGS Coastal and Marine Geology (CMG) Program: (1) evaluating the earthquake and related geologic hazards posed by faults in the near offshore area of southern California and (2) determining the pathways through which...
Digital isostatic gravity map of the Nevada Test Site and vicinity, Nye, Lincoln, and Clark Counties, Nevada, and Inyo County, California
David A. Ponce, E. A. Mankinen, J. G. Davidson, R. L. Morin, R.J. Blakely
2000, Open-File Report 99-554-C
An isostatic gravity map of the Nevada Test Site area was prepared from publicly available gravity data (Ponce, 1997) and from gravity data recently collected by the U.S. Geological Survey (Mankinen and others, 1999; Morin and Blakely, 1999). Gravity data were processed using standard gravity data reduction techniques. Southwest Nevada is...
Petrology of arkosic sandstones, Pennsylvanian Minturn Formation and Pennsylvanian and Permian Sangre de Cristo Formation, Sangre de Cristo Range, Colorado - data and preliminary interpretations
D. A. Lindsey
2000, Open-File Report 2000-474
This report describes the mineral and chemical composition of immature, arkosic sandstones of the Pennsylvanian Minturn and Pennsylvanian and Permian Sangre de Cristo Formations, which were derived from the Ancestral Rocky Mountains. Located in the Sangre de Cristo Range of southern Colorado, the Minturn and Sangre de Cristo Formations contain...
Estimation of hydraulic parameters from an unconfined aquifer test conducted in a glacial outwash deposit, Cape Cod, Massachusetts
A.F. Moench, Stephen P. Garabedian, Denis R. LeBlanc
2000, Open-File Report 2000-485
An aquifer test conducted in a sand and gravel, glacial outwash deposit on Cape Cod, Massachusetts was analyzed by means of a model for flow to a partially penetrating well in a homogeneous, anisotropic unconfined aquifer. The model is designed to account for all significant mechanisms expected to influence drawdown...
Water-quality data collected at Lake Anne, Reston, Virginia, 1997-1999
Kathryn M. Conko, Margaret M. Kennedy, Karen C. Rice
2000, Open-File Report 2000-481
Samples from the Lake Anne watershed were collected and analyzed to assess the water quality from December 1997 through January 1999. Lake Anne is a stream impoundment in suburban Northern Virginia and its outflow is a sub-tributary of the Potomac River. Samples of wet deposition (precipitation), lake water, and streamwater...
Map of Distribution of Bottom Sediments on the Continental Shelf, Gulf of Alaska
Kevin R. Evans, Paul R. Carlson, Monty A. Hampton, Michael S. Marlow, Peter W. Barnes
2000, Miscellaneous Field Studies Map 2335
Introduction The U.S. Geological Survey has a long history of exploring marine geology in the Gulf of Alaska. As part of a cooperative program with other federal and state agencies, the USGS is investigating the relations between ocean-floor geology and benthic marine biohabitats. This bottom sediment map, compiled from published literature...
Water-resources-related information for the St. Croix Reservation and vicinity, Wisconsin
David A. Saad, Dale M. Robertson
2000, Water-Resources Investigations Report 2000-4133
The St. Croix Chippewa Tribe is interested in documenting water-quality conditions in lakes and streams adjacent to their Reservation lands in northwestern Wisconsin and developing management plans to protect these water resources. This report provides the Tribe with a retrospective summary and analysis of available water-resources-related information for their Reservation...
Thermal maturity patterns (CAI and %Ro) in the Ordovician and Devonian rocks of the Appalachian basin in New York State
David J. Weary, Robert T. Ryder, Richard Nyahay
2000, Open-File Report 2000-496
The objective of this study is to enhance existing thermal maturity maps in New York State by establishing: 1) new subsurface CAI data points for the Ordovician and Devonian and 2) new %Ro and Rock Eval subsurface data points for Middle and Upper Devonian black shale units. The thermal maturity...
Digital aeromagnetic map of the Nevada Test Site and vicinity, Nye, Lincoln, and Clark Counties, Nevada and Inyo County, California
David A. Ponce
2000, Open-File Report 99-554-B
An aeromagnetic map of the Nevada Test Site area was prepared from publicly available aeromagnetic data described by McCafferty and Grauch (1997). Magnetic surveys were processed using standard techniques. Southwest Nevada is characterized by magnetic anomalies that reflect the distribution of thick sequences of volcanic rocks, magnetic sedimentary rocks, and...
Transport of suspended and bedload sediment at eight stations in the Coeur d'Alene River basin, Idaho
Greg M. Clark, Paul F. Woods
2000, Open-File Report 2000-472
The Remedial Investigation/Feasibility Study conducted by the U.S. Environmental Protection Agency within the Spokane River Basin of northern Idaho and eastern Washington included extensive data-collection activities to determine the nature and extent of trace-element contamination within the basin. As part of the investigation, the U.S. Geological Survey designed and implemented...
Geochemical and lead isotopic data from sediment cores, fluvial tailings, iron bogs, and pre-mining terrace deposits, Animas River watershed, Colorado, 1995-1999
David L. Fey, S. E. Church, Daniel M. Unruh
2000, Open-File Report 2000-465
Preliminary estimate of the amplification of possible earthquake ground motion at a site in Charleston County, South Carolina
Russell L. Wheeler, Chris H. Cramer
2000, Open-File Report 2000-484
We estimate site amplification at the location of a proposed bridge near Charleston, South Carolina. Model calculations indicate that amplification at periods of 1 s and longer is likely to be strongly influenced by the effects of a large contrast in shear-wave velocity at a depth of approximately 1 km (3,000 ft). On-site...
