Water quality in the Little Sac River basin near Springfield, Missouri, 1999-2001
Brenda J. Smith
2002, Water-Resources Investigations Report 2002-4154
The Little Sac River, north of Springfield, Missouri, flows through mainly agricultural and forest land. However, the quality of the river water is a concern because the river flows into Stockton Lake, which is a supplemental drinking water source for Springfield. Large bacterial densities and nutrient concentrations are primary concerns...
Lead isotopic analyses of selected soil samples from the USEPA Vasquez Blvd.-I-70 study area, Denver, CO
D.M. Unruh
2002, Open-File Report 2002-321
Large amounts of arsenic contamination, in excess of 2000 ppm, have been found in some residential surface soils in northern Denver, Colorado (USEPA, 1999). Associated with the arsenic are elevated levels of metals such as lead, cadmium and mercury. Potential sources of this contamination include waste from smelters in the...
Geologic map of the Deer Island Quadrangle, Columbia County, Oregon and Cowlitz County, Washington
R.C. Evarts
2002, Miscellaneous Field Studies Map 2392
Tectonic map of the Death Valley ground-water model area, Nevada and California
J.B. Workman, C.M. Menges, W. R. Page, E. B. Ekren, P. D. Rowley, G. L. Dixon
2002, Miscellaneous Field Studies Map 2381-B
No abstract available. ...
USGS archive preserves permanent global record
John Faundeen
2002, Imaging Notes (17) 29-30
No abstract available....
Map Showing Seacliff Response to Climatic and Seismic Events, Seacliff State Beach, Santa Cruz County, California
Cheryl J. Hapke, Bruce M. Richmond, Mimi M. D’Iorio
2002, Miscellaneous Field Studies Map 2399
INTRODUCTION The coastal cliffs along much of the central California coast are actively retreating. Large storms and periodic earthquakes are responsible for most of the documented seacliff slope failures. Long-term average erosion rates calculated for this section of coast (Moore and others, 1999) do not provide the spatial or temporal data...
Liquefaction hazard and shaking amplification maps of Alameda, Berkeley, Emeryville, Oakland, and Piedmont, California: a digital database
Thomas L. Holzer, Michael J. Bennett, Thomas E. Noce, Amy C. Tinsley, John C. Tinsley III
2002, Open-File Report 2002-296
Historic bluff retreat and stabilization at Flag Harbor, Chesapeake Bay, Maryland
Inga E. Clark, Curtis E. Larsen, Michele McRae
2002, Open-File Report 2002-331
Studies of bluff erosion and slope stability along the western shore of Chesapeake Bay suggest relative evolution from steep, eroding coastal bluffs to stable slopes at angles of repose ca. 35 degrees over decades. Because of the dating methods in those studies, it was impossible to precisely define rates of...
Hydrologic conditions in the Bill Williams River National Wildlife Refuge and Planet Valley, Arizona, 2000
Richard P. Wilson, Sandra J. Owen-Joyce
2002, Water-Resources Investigations Report 2002-4214
During a period of sustained base-flow conditions in the Bill Williams River below Alamo Dam in west central Arizona from March to July 2000, the channel of the river through Planet Valley was dry, and the water table sloped almost due west parallel to the main slope of the flood...
Publications of Western Earth Surface Processes Team 2001
II Charles Powell Charles,(compiler), R. W. Graymer
2002, Open-File Report 2002-269
The Western Earth Surface Processes Team (WESPT) of the U.S. Geological Survey (USGS) 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 issues, such...
Arsenic concentrations in bedrock wells in Colchester, East Hampton, and Woodstock, Connecticut
C. J. Brown, S. K. Chute
2002, Water-Resources Investigations Report 2002-4135
No abstract available....
Factors related to well yield in the fractured-bedrock aquifer of New Hampshire
Richard Bridge Moore, Gregory E. Schwartz, Stewart F. Clark, Gregory J. Walsh, James R. Degnan
2002, Professional Paper 1660
The New Hampshire Bedrock Aquifer Assessment was designed to provide information that can be used by communities, industry, professional consultants, and other interests to evaluate the ground-water development potential of the fractured-bedrock aquifer in the State. The assessment was done at statewide, regional, and well field scales to identify relations...
"Report upon the extinct Vertebrata obtained in New Mexico by parties of the expedition of 1874," by Edward D. Cope; a digital archive with multimedia annotations
Kevin C. McKinney, Dan S. Chancy, Thomas E. Williamson, Richard H. Tedford
2002, Open-File Report 2002-270
Epigenetic lead, zinc, silver, antimony, tin, and gold veins in Boulder Basin, Blaine and Custer Counties, Idaho: Potential for economic tin mineralization
Michael E. Ratchford
2002, Bulletin 2064-JJ
Boulder Basin is in a northwest-trending belt of allochthonous Paleozoic rocks in the Boulder Mountains of central Idaho. Regional Tertiary extension resulted in widespread normal faulting and coeval emplacement of shallow-level intrusions and extrusive rocks of the Challis Volcanic Group. Epigenetic lead-zinc-silver-antimony-tin-gold vein deposits formed during Tertiary extension and are...
Occurrence and distribution of microbiological contamination and enteric viruses in shallow ground water in Baltimore and Harford counties, Maryland
William S.L. Banks, David A. Battigelli
2002, Water-Resources Investigations Report 2001-4216
The U.S. Geological Survey, in cooperation with the Maryland Department of the Environment and the Wisconsin State Laboratory of Hygiene, conducted a study to characterize the occurrence and distribution of viral contamination in small (withdrawing less than 10,000 gallons per day) public water-supply wells screened in the shallow aquifer in...
User's guide to SEAWAT; a computer program for simulation of three-dimensional variable-density ground-water flow
Weixing Guo, C.D. Langevin
2002, Techniques of Water-Resources Investigations 06-A7
This report documents a computer program (SEAWAT) that simulates variable-density, transient, ground-water flow in three dimensions. The source code for SEAWAT was developed by combining MODFLOW and MT3DMS into a single program that solves the coupled flow and solute-transport equations. The SEAWAT code follows a modular structure, and thus, new...
Distribution and Structure of Holocene Sediments in Cape Cod Bay, Massachusetts
Richard R. Rendigs, Harley J. Knebel
2002, IMAP 2729
South Dakota aeromagnetic and gravity maps and data: a web site for distribution of data
Robert P. Kucks, Patricia L. Hill
2002, Open-File Report 2002-341
no abstract available. ...
Map Showing Seacliff Response to Climatic and Seismic Events, Seabright Beach, Santa Cruz County, California
Cheryl J. Hapke, Bruce M. Richmond, Mimi M. D’Iorio
2002, Miscellaneous Field Studies Map 2400
Introduction The coastal cliffs along much of the central California coast are actively retreating. Large storms and periodic earthquakes are responsible for most of the documented sea cliff slope failures. Long-term average erosion rates calculated for this section of coast do not provide the spatial or temporal data resolution necessary to...
Effects of stress from mine drainage on diversity, biomass, and function of primary producers in mountain streams
Dev K. Niyogi, William M. Lewis Jr., Diane M. McKnight
2002, Ecosystems (5) 554-567
This paper proposes a hypothesis that relates biodi- versity, community biomass, and ecosystem func- tion to a gradient of stress. According to this hy- pothesis, biodiversity has a low threshold of response to stress, whereas biomass and function are stable or increase under low to moderate stress and decrease...
Determination of isoxaflutole (balance) and its metabolites in water using solid phase extraction followed by high-performance liquid chromatography with ultraviolet or mass spectrometry
Chung-Ho Lin, Robert N. Lerch, E. Michael Thurman, Harold E. Garrett, Milon F. George
2002, Journal of Agricultural and Food Chemistry (50) 5816-5824
Balance (isoxaflutole, IXF) belongs to a new family of herbicides referred to as isoxazoles. IXF has a very short soil half-life (<24 h), degrading to a biologically active diketonitrile (DKN) metabolite that is more polar and considerably more stable. Further degradation of the DKN metabolite produces a nonbiologically active benzoic...
Geological map of the Kaiwan Fluctus Quadrangle (V-44), Venus
Nathan T. Bridges, George E. McGill
2002, IMAP 2747
Introduction The Magellan spacecraft orbited Venus from August 10, 1990, until it plunged into the Venusian atmosphereon October 12, 1994. Magellan had the objectives of: (1) improving knowledge of the geologic processes, surface properties, and geologic history of Venus by analysis of surface radar characteristics, topography, and morphology and (2) improving...
Ground-water monitoring plan, water quality, and variability of agricultural chemicals in the Missouri River alluvial aquifer near the City of Independence, Missouri, well field, 1998-2000
Brian P. Kelly
2002, Water-Resources Investigations Report 2002-4096
A detailed ground-water sampling plan was developed and executed for 64 monitoring wells in the city of Independence well field to characterize ground-water quality in the 10-year zone of contribution. Samples were collected from monitoring wells, combined Independence well field pumpage, and the Missouri River at St. Joseph, Missouri, from...
Glacial geology and aquifer characteristics of the Big River area, central Rhode Island
Janet Radway Stone, David C. Dickerman
2002, Water-Resources Investigations Report 2001-4169
No abstract available....
Resource assessment of the Springfield, Herrin, Danville, and Baker coals in the Illinois Basin
Joseph R. Hatch, Ronald H. Affolter
2002, Professional Paper 1625-D
