Molluscan fauna from core 25B, Whipray Basin, central Florida Bay, Everglades National Park
Carleigh A. Trappe, G. Lynn Brewster-Wingard
2001, Open-File Report 2001-143
Molluscan assemblages preserved in an 80-cm core from Whipray Basin in central Florida Bay, Everglades National Park, illustrate changes in the environmental conditions within the basin over the last two centuries. Salinity remained polyhaline to euhaline throughout the time of deposition (1800-1997), with alternating periods of stability and increased fluctuations. Since 1800, a Brachidontes...
Potentiometric surface of the upper Floridan aquifer in the St. Johns River Water Management District and vicinity, Florida, September 2000
Leel Knowles Jr.
2001, Open-File Report 2001-160
No abstract available....
Concentrations and loads of cadmium, zinc, and lead in the main stem Coeur d'Alene River, Idaho—March, June, September, and October 1999
P. F. Woods
2001, Open-File Report 2001-34
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 in numerous studies to determine the nature and extent of trace-element contamination within the basin. The objective of this particular study was to improve...
Paleoliquefaction studies in continental setting; geologic and geotechnical factors in interpretations and back-analysis
Stephen F. Obermeier, Eric C. Pond, Scott M. Olson, Russell A. Green, Timothy D. Stark, James K. Mitchell
2001, Open-File Report 2001-29
Paleoliquefaction research in the last 15 years has greatly improved our ability to interpret the paleoseismic record throughout some large geographic areas, especially in regions of infrequent large earthquakes. Paleoliquefaction studies have been used extensively in the central and eastern U.S. to assess seismic hazards, and could be used elsewhere...
New Mexico aeromagnetic and gravity maps and data: a web site for distribution of data
Robert P. Kucks, Patricia L. Hill, Charles E. Heywood
2001, Open-File Report 2001-61
1:100,000-scale topographic contours derived from digital elevation models, San Francisco Bay region, California: a digital database
Heather M. Wright, Carl M. Wentworth
2001, Open-File Report 2001-101
This report presents a consistent set of 1:100,000-scale vector topographic contours for all eleven 30x60-minute quadrangles in the San Francisco Bay region for use in visualizing the topography and preparing maps of the region. The contours were prepared by contouring an areally continuous 30-m altitude grid (National Elevation Dataset, Jan.,...
Volcanism in national parks: summary of the workshop convened by the U.S. Geological Survey and National Park Service, 26-29 September 2000, Redding, California
Steven R. Brantley, Lindsay McClelland
Marianne Guffanti, editor(s)
2001, Open-File Report 2001-435
Spectacular volcanic scenery and features were the inspiration for creating many of our national parks and monuments and continue to enhance the visitor experience today (Table 1). At the same time, several of these parks include active and potentially active volcanoes that could pose serious hazards - earthquakes, mudflows, and...
Surficial geology and distribution of post-impoundment sediment in Las Vegas Bay, Lake Mead
David C. Twichell, VeeAnn A. Cross, Mark J. Rudin, Kenneth F. Parolski, Richard R. Rendigs
2001, Open-File Report 2001-70
Sidescan sonar imagery and seismic-reflection profiles were collected in the northwestern part of Las Vegas Bay to map the distribution and volume of sediment that has accumulated in this part of Lake Mead since impoundment. The mapping suggests that three ephemeral streams are the primary source of this sediment, and...
Analytical data for waters of the Harvard Open Pit, Jamestown Mine, Tuolumne County, California, March 1998-September 1999
R. P. Ashley, K. S. Savage
2001, Open-File Report 2001-74
The Jamestown mine is located in the Jamestown mining district in western Tuolumne County, California (see Fig. 1). This district is one of many located on or near the Melones fault zone, a major regional suture in the Sierra Nevada foothills. The districts along the Melones fault comprise the Mother...
Surface water quality-assurance plan for the Hawaii District of the U. S. Geological Survey
R. A. Fontaine
2001, Open-File Report 2001-75
This District Surface Water Quality-Assurance Plan documents the standards, policies, and procedures used by the Hawaii District for activities related to the collection, processing, storage, analysis, and publication of surface-water data....
Fish-community composition in Canacadea Creek, in the vicinity of Almond Lake, Allegany and Steuben counties, New York, 2000
R.A. Brightbill, Michael D. Bilger
2001, Open-File Report 2001-79
The U.S. Army Corps of Engineers, Baltimore District, has been conducting biological surveys of the inflow and outflow streams of Almond Lake since the early 1980's. These surveys are made to identify possible detrimental effects as well as benefits of the reservoir and to better understand the aquatic communities in...
Anchorage Urban Region Aeromagnetics (AURA) Project — Preliminary geophysical results
R. W. Saltus, Peter J. Haeussler, R. E. Bracken, J. P. Doucette, R.C. Jachens
2001, Open-File Report 2001-85
No abstract available....
Stability assessment of a Hurricane Mitch-induced landslide dam on the Rio La Lima, Sierra de Las Minas, eastern Guatemala
Robert L. Schuster, Robert C. Bucknam, Manuel Antonio Mota
2001, Open-File Report 2001-120
Seismic images and fault relations of the Santa Monica thrust fault, West Los Angeles, California
R. D. Catchings, G. Gandhok, M. R. Goldman, D. Okaya
2001, Open-File Report 2001-111
In May 1997, the US Geological Survey (USGS) and the University of Southern California (USC) acquired high-resolution seismic reflection and refraction images on the grounds of the Wadsworth Veterans Administration Hospital (WVAH) in the city of Los Angeles (Fig. 1a,b). The objective of the seismic survey was to better understand...
Inventory of mines and mining-related facilities in Idaho and western Montana active from 1997 through 2000
Gregory T. Spanski
2001, Open-File Report 2001-129
Core descriptions, core photographs, physical property logs and surface textural data of sediment cores recovered from the continental shelf of the Monterey Bay National Marine Sanctuary during the research cruises M-1-95-MB, P-2-95-MB, and P-1-97-MB
Kevin M. Orzech, Wendy E. Dahl, Brian D. Edwards
2001, Open-File Report 2001-107
In response to the 1992 creation of the Monterey Bay National Marine Sanctuary (MBNMS), the United States Geological Survey (USGS) initiated a multiyear investigation of the Sanctuary continental margin. As part of the investigative effort, this report summarizes the shipboard procedures, subsequent laboratory analyses, and data results from three seafloor...
Statewide water-quality network for Massachusetts
Leslie A. DeSimone, Peter A. Steeves, Marc James Zimmerman
2001, Water-Resources Investigations Report 2001-4081
A water-quality monitoring program is proposed that would provide data to meet multiple information needs of Massachusetts agencies and other users concerned with the condition of the State's water resources. The program was designed by the U.S. Geological Survey and the Massachusetts Department of Environmental Protection, Division of Watershed Management,...
Georgia aeromagnetic and gravity maps and data: a web site for distribution of data
David L. Daniels
2001, Open-File Report 2001-106
Status of ground-water levels and storage volume in the Wichita well field area, south-central Kansas, 1998-2000
Cristi V. Hansen, Walter R. Aucott
2001, Water-Resources Investigations Report 2000-4267
Potentiometric surface of the upper Floridan aquifer in the St. Johns River Water Management District and vicinity, Florida, May 2001
Leel Knowles Jr.
2001, Open-File Report 2001-313
No abstract available....
Evaluation of the Effects of Development on Peak-Flow Hydrographs for Collyer Brook, Maine
Robert W. Dudley, Glenn A. Hodgkins, Alexander Mann, John Chisolm
2001, Water-Resources Investigations Report 2001-4156
The development of former agricultural or forested lands creates more impervious areas and drainage improvements that can increase the volume of runoff and decrease infiltration and ground-water recharge in a watershed. Drainage improvements also can improve the conveyance of runoff, decreasing the time of rise to peak flow between the...
Trace-metal concentrations in sediment and water and health of aquatic macroinvertebrate communities of streams near Park City, Summit County, Utah
Elis Giddings, Michelle I. Hornberger, Heidi K. Hadley
2001, Water-Resources Investigations Report 2001-4213
The spatial distribution of metals in streambed sediment and surface water of Silver Creek, McLeod Creek, Kimball Creek, Spring Creek, and part of the Weber River, near Park City, Utah, was examined. From the mid-1800s through the 1970s, this region was extensively mined for silver and lead ores. Although some...
Estimating recharge to ground water from precipitation at Naval Submarine Base Bangor and vicinity, Kitsap County, Washington
W. R. Bidlake, K. L. Payne
2001, Water-Resources Investigations Report 2001-4110
Reconnaissance of Stream Geomorphology, Low Streamflow, and Stream Temperature in the Mountaintop Coal-Mining Region, Southern West Virginia, 1999-2000
Jeffrey B. Wiley, Ronald D. Evaldi, James H. Eychaner, Douglas B. Chambers
2001, Water-Resources Investigations Report 2001-4092
The effects of mountaintop removal coal mining and the valley fills created by this mining method in southern West Virginia were investigated by comparing data collected at valley-fill, mined, and unmined sites. Bed material downstream of valley-fill sites had a greater number of particles less than 2 millimeters and a...
Areal distribution and concentrations of contaminants of concern in surficial streambed and lakebed sediments, Lake Erie-Lake Saint Clair drainages, 1990–97
S. J. Rheaume, D. T. Button, Donna N. Myers, D. L. Hubbell
2001, Water-Resources Investigations Report 2000–4200
Concerns about elevated concentrations of contaminants such as polychlorinated biphenyls and mercury in aquatic bed sediments throughout the Great Lakes Basin have resulted in a need for better understanding of the scope and severity of the problem. Various organochlorine pesticides, polychlorinated biphenyls, trace metals, and polycyclic aromatic hydrocarbons are a...
