Geohydrology and water chemistry in the Rialto-Colton Basin, San Bernardino County, California
Linda R. Woolfenden, Dina Kadhim
1997, Water-Resources Investigations Report 97-4012
The 40-square-mile Rialto-Colton ground- water basin is in western San Bernardino County, California, about 60 miles east of Los Angeles.This basin was chosen for storage of imported water because of the good quality of native ground water, the known capacity for additional ground-water storage in the basin, and the availability...
Simulation of the water-table altitude in the Biscayne Aquifer, southern Dade County, Florida, water years 1945-89
Michael L. Merritt
1997, Water Supply Paper 2458
The paper describes a regional model of flows in the Biscayne Aquifer of southern Dade County during five consecutive time periods during water years 1945 to 1989 that correspond to stages in the development of a system of levees and controlled canals for water management. Data describing surface-water and ground-water...
Geochemical analyses of ground-water ages, recharge rates, and hydraulic conductivity of the N aquifer, Black Mesa area, Arizona
Thomas J. Lopes, John P. Hoffmann
1997, Water-Resources Investigations Report 96-4190
The Navajo Nation and Hopi Tribe of the Black Mesa area, Arizona, depend on ground water from the N aquifer to meet most tribal and industrial needs. Increasing use of this aquifer is creating concerns about possible adverse effects of increased ground-water withdrawals on the water resources of the region....
Environmental geochemistry and sediment quality in Lake Pontchartrain: database development and review
Frank T. Manheim, George C. Flowers, Andrew G. McIntire, Marcie Marot, Charles Holmes
1997, Gulf Coast Association of Geological Societies Transactions (47) 337-349
This paper reports on preliminary results of a project to develop a comprehensive data base of chemical and environmental information on sediments from Lake Pontchartrain, Louisiana, and surrounding water bodies. The goal is to evaluate all data for reliability and comparability, and to make it widely accessible and useful to...
Base-flow characteristics of streams in the Valley and Ridge, the Blue Ridge, and the Piedmont physiographic provinces of Virginia
David L. Nelms, George E. Harlow Jr., Donald C. Hayes
1997, Water Supply Paper 2457
Growth within the Valley and Ridge, Blue Ridge, and Piedmont physiographic provinces of Virginia has focused concern about allocation of surface-water flow and increased demands on the ground-water resources. Potential surface-water yield was determined from statistical analysis of base-flow characteristics of streams. Base-flow characteristics also may provide a relative indication...
Fish communities of benchmark streams in agricultural areas of eastern Wisconsin
D. J. Sullivan, E. M. Peterson
1997, Water-Resources Investigations Report 96-4038-D
Fish communities were surveyed at 20 stream sites in agricultural areas in eastern Wisconsin in 1993 and 1995 as part of the National Water-Quality Assessment (NAWQA) Program. These streams, designated "benchmark streams," were selected for study because of their potential use as regional references for healthy streams in agricultural areas,...
Precipitation-runoff and streamflow-routing models for the Willamette River basin, Oregon
Antonius Laenen, John C. Risley
1997, Water-Resources Investigations Report 95-4284
Precipitation-runoff and streamflow-routing models were constructed and assessed as part of a water-quality study of the Willamette River Basin. The study was a cooperative effort between the U.S. Geological Survey (USGS) and the Oregon Department of Environmental Quality (ODEQ) and was coordinated with the USGS National Water-Quality Assessment (NAWQA) study...
Estimation of nutrient and suspended-sediment loads in the Patuxent River basin, Maryland, water years 1986-90
S. D. Preston, R.M. Summers
1997, Water-Resources Investigations Report 96-4175
Water-quality data collected at stream sites in the Patuxent River Basin from 1986 through 1990 were used to estimate loads of nutrients and otherconstituents. Studies were performed to determine the adequacy of the water-quality data for load estimation and to evaluate load estimation methods.A regression-based estimator...
Physical characteristics of stream subbasins in the Middle Minnesota - Little Cottonwood River Basin, south-central Minnesota
Christopher A. Sanocki
1997, Open-File Report 96-631
Data that describe the physical characteristics of stream subbasins upstream from selected sites on streams in the Middle Minnesota-Little Cottonwood River Basin, located in south-central Minnesota are presented in this report. The physical characteristics are the drainage area of the subbasin, the percentage area of the subbasin covered only by...
Changes in flow in the Beaver-North Canadian River basin upstream from Canton Lake, western Oklahoma
Kenneth L. Wahl, Robert L. Tortorelli
1997, Water-Resources Investigations Report 96-4304
This report presents the results of an evaluation of hydrologic data for the Beaver-North Canadian River basin upstream from Canton Lake in western Oklahoma. It examines the climatic and hydrologic data for evidence of trends. The hydrologic data examined includes total annual flow, base flow, and annual peak discharges. This study...
U.S. Geological Survey Middle Rio Grande Basin Study; Proceedings of the first annual workshop, Denver, Colorado, November 12-14, 1996
James R. Bartolino, editor(s)
1997, Open-File Report 97-116
Approximately 40 percent (about 600,000 people) of the total population of New Mexico lives within the Middle Rio Grande Basin, which includes the City of Albuquerque. Ongoing analyses of the central portion of the Middle Rio Grande Basin by the U.S. Geological Survey (USGS) in cooperation with the City of Albuquerque...
The relation between hydrogeology and water quality of the Lower Floridan Aquifer in Duval County, Florida, and implications for monitoring movement of saline water
G. G. Phelps, R. M. Spechler
1997, Water-Resources Investigations Report 96-4242
The hydrogeology of the Upper zone of the Lower Floridan aquifer and its relation to water quality were evaluated during a 3-year (1993-96) study. The Floridan aquifer system, a carbonate aquifer system composed of the Upper Floridan aquifer, a middle semi-confining unit, and the Lower Floridan aquifer, is the major...
Geohydrology and simulation of ground-water flow for the Ohio River alluvial aquifer near Owensboro, northwestern Kentucky
M.D. Unthank
1997, Water-Resources Investigations Report 96-4274
The Ohio River alluvial aquifer is the primary source of drinking water for the residents of Owensboro and Daviess County and adjacent counties in Kentucky. The aquifer consists of sand and gravel deposits that partly fill a bedrock-valley system consisting of shales of Pennsylvanian age. The valley is a result...
Geology, hydrology, and ground-water quality at the Byron Superfund site near Byron, Illinois
Robert T. Kay, Douglas J. Yeskis, William J. Bolen, James R. Rauman, Scott T. Prinos
1997, Water-Resources Investigations Report 95-4240
A study was conducted by the U.S. Geological Survey and the U.S. Environmental Protection Agency to define the geohydrology and contaminant distribution at a Superfund site near Byron, Illinois. Geologic units of interest beneath the site are the St. Peter Sandstone; the shale, dolomite and sandstone of the Glenwood Formation;...
Water-temperature, specific-conductance, and meteorological data for the Tualatin River basin, Oregon, 1994-95
John C. Risley, Micelis C. Doyle
1997, Open-File Report 96-315
Water-temperature, air-temperature, specific- conductance, wind-speed, and solar-radiation data are presented from a study conducted in the Tualatin River Basin in northwestern Oregon during 7-month periods from May 1 through November 30, 1994 and May 1 through November 30, 1995. The study was done to assist local and State agencies in...
Numerical simulation of ground-water flow through glacial deposits and crystalline bedrock in the Mirror Lake area, Grafton County, New Hampshire
Claire R. Tiedeman, Daniel J. Goode, Paul A. Hsieh
1997, Professional Paper 1572
This report documents the development of a computer model to simulate steady-state (long-term average) flow of ground water in the vicinity of Mirror Lake, which lies at the eastern end of the Hubbard Brook valley in central New Hampshire. The 10-km2 study area includes Mirror Lake, the three streams that...
Summary of surface-water hydrologic data for the Houston metropolitan area, Texas, water years 1964-89
Fred Liscum, D. W. Brown, M. C. Kasmarek
1997, Open-File Report 96-250
The study area, a metropolitan area in southeast Texas about 45 miles north of the Gulf of Mexico, has been undergoing extensive urban development since the 1950s. The Houston Urban Runoff Program was begun by the U.S. Geological Survey in water year 1964 to define the magnitude and frequency of...
Subsidence of ash-flow calderas: Relation to caldera size and magma-chamber geometry
P. W. Lipman
1997, Bulletin of Volcanology (59) 198-218
Diverse subsidence geometries and collapse processes for ash-flow calderas are inferred to reflect varying sizes, roof geometries, and depths of the source magma chambers, in combination with prior volcanic and regional tectonic influences. Based largely on a review of features at eroded pre-Quaternary calderas, a continuum of geometries and subsidence...
Status, trends, and changes in freshwater inflows to bay systems in the Corpus Christi Bay National Estuary Program study area
W.H. Asquith, J. G. Mosier, P. W. Bush
1997, Report
This report presents the results of a study to quantify current (1983–93) mean freshwater inflows to the six bay systems (open water and wetlands) in the Corpus Christi Bay National Estuary Program study area, to test for historical temporal trends in inflows, and to quantify historical and projected changes in...
Permeability and porosity of the Illinois UPH 3 drillhole granite and a comparison with other deep drillhole rocks
C.A. Morrow, D.A. Lockner
1997, Journal of Geophysical Research B: Solid Earth (102) 3067-3075
Permeability, porosity, and volumetric strain measurements were conducted on granite cores obtained at depths of 0.7 to 1.6 km from the Illinois UPH 3 drillhole at effective confining pressures from 5 to 100 MPa. Initial permeabilities were in the range of 10-17 to 10-19 m2 and dropped rapidly with applied...
Slope failures in Northern Vermont, USA
F. T. Lee, J. K. Odum, J.D. Lee
1997, Environmental & Engineering Geoscience (3) 161-182
Rockfalls and debris avalanches from steep hillslopes in northern Vermont are a continuing hazard for motorists, mountain climbers, and hikers. Huge blocks of massive schist and gneiss can reach the valley floor intact, whereas others may trigger debris avalanches on their downward travel. Block movement is facilitated by major joints...
Level II scour analysis for Bridge 39 (STOWTH00160039) on Town Highway 16, crossing Moss Glen Brook, Stowe, Vermont
Michael A. Ivanoff, Robert E. Hammond
1997, Open-File Report 97-794
This report provides the results of a detailed Level II analysis of scour potential at structure STOWTH00160039 on Town Highway 16 crossing Moss Glen Brook, Stowe, Vermont (figures 1–8). A Level II study is a basic engineering analysis of the site, including a quantitative analysis of stream stability and scour...
Water Resources Data, Colorado, Water Year 1997--Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande Basin
R.M. Crowfoot, A.V. Paillet, G.F. Ritz, M.E. Smith, R.D. Steger, G. B. O’Neill
1997, Water Data Report CO-97-1
Water-resources data for Colorado for the 1997 water year consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water quality of wells and springs. This report (Volumes 1 and 2) contains discharge records for 327...
Water Resources Data, Colorado, Water Year 1997--Volume 2. Colorado River Basin
R.M. Crowfoot, A.V. Paillet, G.F. Ritz, M.E. Smith, R.A. Jenkins, G. B. O’Neill
1997, Water Data Report CO-97-2
Water-resources data for Colorado for the 1997 water year consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water quality of wells and springs. This report (Volumes 1 and 2) contains discharge records for 327...
Level II scour analysis for Bridge 21 (MONKTH00340021) on Town Highway 34, crossing Little Otter Creek, Monkton, Vermont
Erick M. Boehmler, Laura Medalie
1997, Open-File Report 97-672
This report provides the results of a detailed Level II analysis of scour potential at structure MONKTH00340021 on Town Highway 34 crossing Little Otter Creek, Monkton, Vermont (figures 1–8). A Level II study is a basic engineering analysis of the site, including a quantitative analysis of stream stability and scour...
