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Page 297, results 7401 - 7425

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Physical characteristics of stream subbasins in the upper Minnesota River basin, west-central Minnesota, northeastern South Dakota and southeastern North Dakota
Chris Sanocki
1995, Open-File Report 95-162
Data that describe the physical characteristics of stream subbasins upstream from selected points on streams in the Upper Minnesota River Basin, located in west-central Minnesota, north-eastern South Dakota, and southeastern North Dakota, are presented in this report. The physical characteristics are the drainage area of the subbasin, the percentage area...
Climate response among growth increments of fish and trees
Richard P. Guyette, Charles F. Rabeni
1995, Oecologia (104) 272-279
Significant correlations were found among the annual growth increments of stream fish, trees, and climate variables in the Ozark region of the United States. The variation in annual growth increments of rock bass (Ambloplites rupestris) from the Jacks Fork River was significantly correlated over 22 years with the ring width...
Preliminary geologic map of the Little Piute Mountains, San Bernardino County, California
Keith A. Howard, Michael L. Dennis, Karl E. Karlstrom, Geoffrey A. Phelps
1995, Open-File Report 95-598
Introduction The Little Piute Mountains in the eastern Mojave Desert expose a series of folds and thrust faults involving metamorphosed Paleozoic strata (Miller and others, 1982; Stone and others, 1983). Detailed mapping of these structures was undertaken to help elucidate regional Mesozoic structural evolution. Earlier geologic maps were prepared by...
Water-quality assessment of the upper Snake River Basin, Idaho and western Wyoming — Summary of aquatic biological data for surface water through 1992
Terry R. Maret
1995, Water-Resources Investigations Report 95-4006
The 35,800-square-mile upper Snake River Basin in eastern Idaho and western Wyoming was one of 20 areas selected for water-quality study under the National Water-Quality Assessment Program. As part of the initial phase of the study, data were compiled to describe the current (1992) and historical aquatic biological conditions of...
Water-quality assessment of the Rio Grande Valley study unit, Colorado, New Mexico, and Texas -- Analysis of selected nutrient, suspended-sediment, and pesticide data
S. K. Anderholm, M.J. Radell, S. F. Richey
1995, Water-Resources Investigations Report 94-4061
This report contains a summary of data compiled from sources throughout the Rio Grande Valley study unit of the National Water-Quality Assessment program. Information presented includes the sources and types of water-quality data available, the utility of water-quality data for statistical analysis, and a description of recent water-quality conditions and...
Geologic map of the Littlefield Quadrangle, northern Mohave County, Arizona
George H. Billingsley
1995, Open-File Report 95-559
The Littlefield 7.5' quadrangle lies in the extreme northwestern corner of Mohave County, Arizona (fig. 1). Elevations range from about 536.5 m (1,760 ft) at the Virgin River (south-central edge of quadrangle) to 975 m (3,200 ft) in the Beaver Dam Mountains (northeastern corner of quadrangle). Interstate Arizona Highway 15...
Maps showing gas-hydrate distribution off the east coast of the United States
William P. Dillon, Kristen L. Fehlhaber, Dwight F. Coleman, Myung W. Lee, Deborah R. Hutchinson
1995, Miscellaneous Field Studies Map 2268
These maps present the inferred distribution of natural-gas hydrate within the sediments of the eastern United States continental margin (Exclusive Economic Zone) in the offshore region from Georgia to New Jersey (fig. 1). The maps, which were created on the basis of seismic interpretations, represent the first attempt to map...
Analysis of steady-state flow and advective transport in the eastern Snake River Plain aquifer system, Idaho
D. J. Ackerman
1995, Water-Resources Investigations Report 94-4257
Quantitative estimates of ground-water flow directions and traveltimes for advective flow were developed for the regional aquifer system of the eastern Snake River Plain, Idaho. The work included: (1) descriptions of compartments in the aquifer that function as intermediate and regional flow systems, (2) descriptions of pathlines for flow originating...
Simulated ground-water flow and sources of water in the Killbuck Creek Valley near Wooster, Wayne County, Ohio
K. J. Breen, A.L. Kontis, G.L. Rowe, R.J. Haefner
1995, Water-Resources Investigations Report 94-4131
The stratified-drift aquifer in the 3,000-ft (feet)-wide and 100-ft-deep buried valley of Killbuck Creek near Wooster in northeastern Ohio was studied. The stratified drift with adjacent sandstone and shale bedrock produce a system of ground-water flow representative of the western part of the glaciated north-eastern United States. The stratified-drift aquifer...
Water-quality assessment of the upper Snake River Basin, Idaho and western Wyoming — Environmental setting, 1980-92
Molly A. Maupin
1995, Water-Resources Investigations Report 94-4221
The 35,800-square-mile upper Snake River Basin is one of 20 areas studied as part of the National Water-Quality Assessment (NAWQA) Program of the U.S. Geological Survey. Objectives of NAWQA are to study ground- and surface-water quality, biology, and their relations to land-use activities. Major land and water uses that affect...
National Water-Quality Assessment Program, western Lake Michigan drainages: Summaries of liaison committee meeting, Green Bay, Wisconsin, March 28-29, 1995
Charles A. Peters
1995, Open-File Report 95-163
The Western Lake Michigan Drainages (WMIC) study unit, under investigation since 1991, drains 20,000 square miles (mi2) in eastern Wisconsin and Upper Michigan (fig. 1). The major water-quality issues in the WMIC study unit are: (1) nonpoint-source contamination of surface and ground water by agricultural chemicals, (2) contamination in bottom...
Water-quality assessment of the Kentucky River basin, Kentucky: Nutrients, sediments, and pesticides in streams, 1987-90
K. H. Haag, S. D. Porter
1995, Water-Resources Investigations Report 94-4227
The U.S. Geological Survey investigated the water quality of the Kentucky River Basin in Kentucky as part of the National Water Quality Assessment program. Data collected during 1987-90 were used to describe the spatial and temporal variability of nutrients, suspended sediment, and pesticides in streams. Concentrations of phosphorus were signifi-...
Mineral and energy resources of the Roswell Resource Area, East-Central New Mexico
Susan B. Bartsch-Winkler, Alessandro J. Donatich, editor(s)
1995, Bulletin 2063
The sedimentary formations of the Roswell Resource Area have significant mineral and energy resources. Some of the pre-Pennsylvanian sequences in the Northwestern Shelf of the Permian Basin are oil and gas reservoirs, and Pennsylvanian rocks in Tucumcari Basin are reservoirs of oil and gas as well as source rocks for...
Methods for assessing channel conditions related to scour-critical conditions at bridges in Tennessee
B.A. Bryan, Andrew Simon, G.S. Outlaw, Randy Thomas
1995, Water-Resources Investigations Report 94-4229
The ability to assess quickly the potential for scour at a bridge site, to evaluate those bridges with the greatest potential for significant amounts of scour, and to then identify scour-critical structures is important for public protection and bridge maintenance planning. A bridge-scour assessment information form was developed for collecting...
Structure of the Reelfoot-Rough Creek rift system, Fluorspar area fault complex, and Hicks Dome, southern Illinois and western Kentucky; new constraints from regional seismic reflection data
C. J. Potter, M. B. Goldhaber, P.C. Heigold, James A. Drahovzal
1995, Professional Paper 1538-Q
In the winter of 1811-12, three of the largest historic earthquakes in the United States occurred near New Madrid, Mo. Seismicity continues to the present day throughout a tightly clustered pattern of epicenters centered on the bootheel of Missouri, including parts of northeastern Arkansas, northwestern Tennessee, western Kentucky, and southern...
Soil-solution chemistry in a low-elevation spruce-fir ecosystem, Howland, Maine
Ivan J. Fernandez, Gregory B. Lawrence, Yowhan Son
1995, Water, Air, & Soil Pollution (84) 129-145
Soil solutions were collected monthly by tension and zero-tension lysimeters in a low-elevation red spruce stand in east-central Maine from May 1987 through December 1992. Soil solutions collected by Oa tension lysimeters had higher concentrations of most constituents than the Oa zero-tension lysimeters. In Oa horizon soil solutions growing season...
Hydrogeology and simulation of ground-water flow in the Eutaw-McShan aquifer and in the Tuscaloosa aquifer system in northeastern Mississippi
E. W. Strom, M. J. Mallory
1995, Water-Resources Investigations Report 94-4223
The Eutaw-McShan aquifer and Tuscaloosa aquifer system in northeastern Mississippi were investi- gated to better understand the hydrogeology and the ground-water flow in and between the aquifers. A numerical model was developed to simulate ground- water flow for prepumping and pumping conditions, and model simulatons projected the possible effects of...
Effects of two contrasting agricultural land uses on shallow groundwater quality in the San Joaquin Valley, California; design and preliminary interpretation
N. M. Dubrovsky, Karen R. Burow, Jo Ann M. Gronberg
1995, Open-File Report 95-286
From 1992 through 1994, the San Joaquin-Tulare Basins Study team of the USGS National Water Quality Assessment program investigated the occurrence and distribution of water quality constituents in shallow groundwater underlying two areas of different agricultural land uses: almond orchards and vineyards. The study was restricted to the alluvial fans...
Water-quality assessment of the Kentucky River Basin, Kentucky: Distribution of metals and other trace elements in sediment and water, 1987-90
Stephen D. Porter, Kevin D. White, J. R. Clark
1995, Water-Resources Investigations Report 94-4134
The U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Program is designed to provide a nationally consistent description of the current status of water quality, to define water-quality trends, and to relate past and present water-quality conditions to natural features, uses of land and water, and other water-quality effects from...