Estimation of streamflow characteristics and assessment of trends in the Niobrara River at Mariaville, Nebraska
E.E. Fischer
1987, Water-Resources Investigations Report 87-4073
A computer model was used to synthesize a long-term streamflow record for the Niobrara River at Mariaville, Nebraska. The record was developed on the basis of 30-plus years of streamflow data from 3 upstream sites, and the U. S. Geological Survey 's CONROUT model was calibrated using 294 days of...
Geohydrology and susceptibility of major aquifers to surface contamination in Alabama; area 6
S.S. DeJarnette, J.E. Crownover
1987, Water-Resources Investigations Report 87-4113
This report delineates and describes the geohyrology and susceptibility of the major aquifers to contamination in Area 6, Greene, Marengo, Pickens, Sumter, and Tuscaloosa Counties in west-central Alabama. The major aquifers in the study area are the Nanafalia, Eutaw, Gordo, and Coker aquifers of Tertiary and Cretaceous age. The recharge...
Arsenic data for streams in the uppper Missouri River Basin, Montana and Wyoming
J. R. Knapton, A.A. Horpestad
1987, Open-File Report 87-124
Although large concentrations of arsenic originating from geothermal sources within Yellowstone National Park have been known to be present in the Madison River for many years, systematic monitoring throughout the upper Missouri River basin had not been done. Therefore, a monitoring network consisting of 24 stations was established for the...
Selected research publication series of the U.S. Fish and Wildlife Service, 1889-1985
Thomas J. Cortese, Barbara A. Grosher
1987, Resource Publication 159
No abstract available....
Estimates of consumptive use and ground-water return flow using water budgets in Palo Verde Valley, California
Sandra J. Owen-Joyce, Steven L. Kimsey
1987, Water-Resources Investigations Report 87-4070
Palo Verde Valley, California, is an agricultural area in the flood plain of the Colorado River where irrigation water is diverted from the river and groundwater is discharged to a network of drainage ditches and (or) the river. Consumptive use by vegetation and groundwater return flow were calculated using water...
Hydrology of area 41, Western Region, Interior Coal Province, Oklahoma and Arkansas
M.V. Marcher, D. L. Bergman, L. J. Slack, S. P. Blumer
1987, Open-File Report 84-129
Ground-water resources of Flagler County, Florida
A. S. Navoy, L. A. Bradner
1987, Water-Resources Investigations Report 87-4021
Groundwater is the only significant source of potable water in Flagler County. Usable water occurs in the Upper Floridan aquifer, the intermediate population is expected to place stresses on the water resources of the county. Although rainfall averages almost 50 in/yr, most of the water leaves as evapotranspiration and streamflow....
Estimates of average annual tributary inflow to the lower Colorado River, Hoover Dam to Mexico
Sandra J. Owen-Joyce
1987, Water-Resources Investigations Report 87-4078
Estimates of tributary inflow by basin or area and by surface water or groundwater are presented in this report and itemized by subreaches in tabular form. Total estimated average annual tributary inflow to the Colorado River between Hoover Dam and Mexico, excluding the measured tributaries, is 96,000 acre-ft or about...
Gravity observations along a PASSCAL seismic line in west-central Nevada
J. M. Glen, J. S. Lewis, D. A. Ponce
1987, Open-File Report 87-403
The Olney, Illinois, earthquake of 10 June 1987; a preliminary report
C.J. Langer, P. S. Powers, A. C. Johnston, G. A. Bollinger, D. L. Carver, R. A. Williams, Edward Cranswick
1987, Open-File Report 87-623
Analytical results and sample locality map of rock samples from the Clan Alpine Wilderness Study Area, Churchill County, Nevada
William E. Brooks, M. J. Blaskowski, R.F. Hardyman, R.T. Hopkins
1987, Open-File Report 87-632
Hydrogeology in the area of a freshwater lens in the Floridan aquifer system, northeast Seminole County, Florida
G. G. Phelps, K.P. Rohrer
1987, Water-Resources Investigations Report 86-4078
Northeast Seminole County, Florida, contains an isolated recharge area of the Floridan aquifer system that forms a freshwater lens completely surrounded by saline water. The freshwater lens covers an area of about 22 sq mi surrounding the town of Geneva, and generally is enclosed by the 25 ft land surface...
Surface water-quality characteristics in the upper North Fork Gunnison River basin, Colorado
J. M. Norris
1987, Water-Resources Investigations Report 86-4152
Analyses of water quality data collected during 1982 and 1983 in the upper North Fork Gunnison River basin indicate that dissolved-solids concentrations are relatively small, with a mean value near 97 milligrams per liter. Most major dissolved constituents also had small measured concentrations throughout the study area. Trace-element concentrations generally...
Water levels, chloride concentrations, and pumpage in the coastal aquifers of Delaware and Maryland
D. J. Phelan
1987, Water-Resources Investigations Report 87-4229
The Manokin, Ocean City, Pocomoke, and unconfined aquifers of coastal Delaware and Maryland are susceptible to saltwater intrusion from inland movement of offshore water, and from vertical leakage from the bays and deeper aquifer. Comparison of data for water levels, chloride, and pumpage affected during 1974-86 shows that, with the...
Index to limnological data for southcentral Alaska Lakes
M.A. Maurer, P. F. Woods
1987, Open-File Report 87-529
South-central Alaska lakes are a valuable natural resource and provide a variety of recreational opportunities to the public. Lakeside development has increased significantly in the past 10 years and several south-central Alaskan lakes have documented pollution problems. Cultural eutrophication, the process by which man-induced nutrient loading to a lake results...
The Alaska Mineral Resource Assessment Program: Background information to accompany folio of geologic and mineral resource maps of the Circle quadrangle, Alaska
Helen Laura Foster, W. D. Menzie, J. W. Cady, S. L. Simpson, J. N. Aleinikoff, Frederic H. Wilson, R. B. Tripp
1987, Circular 986
The geology, geochemistry, geophysics, and Landsat imagery of the Circle quadrangle were investigated by an interdisciplinary research team for the purpose of assessing the mineral potential of the area. The quadrangle covers approximately 15,765 km2 in east-central Alaska; most of it is included in the mountainous Yukon-Tanana Upland physiographic division,...
Statistics of petroleum exploration in the non-Communist world outside the United States and Canada
David H. Root, Emil D. Attanasi, Robert M. Turner
1987, Circular 981
The search for petroleum has expanded to include most countries in the world. From January 1, 1950, through 1980, about 160,000 crew months were spent in geologic and geophysical exploration in a study area that includes all nonCommunist countries outside the United States and Canada. By the end of 1982,...
Water-quality variations in the Bull Run Watershed, Oregon, under 1978 to 1983 management conditions
F. A. Rinella
1987, Water-Resources Investigations Report 87-4128
During the period October 1978 to September 1983, the U.S. Geological Survey, in cooperation with the City of Portland (Oregon) Water Bureau, conducted a study in the Bull Run River basin to define the hydrologic characteristics of the basin, and to examine relations between basin characteristics (both natural and man-made)...
GSPOST Version 1.0: A program to plot symbols and post numerical data from ASCII tables on regional scale maps using an IBM PC (or compatible) microcomputer and plotter
G.I. Selner, Cole L. Smith, Richard B. Taylor
1987, Open-File Report 87-127
GSPOST is a microcomputer program that takes data from a properly formatted ASCII file and drives a plotter, to make maps displaying information associated with geographic points by drawing symbols and/or posting numerical data at latitude-longitude specified sites....
Preliminary assessment of paleoseismicity at White Sands Missile Range, southern New Mexico; evidence for recency of faulting, fault segmentation, and repeat intervals for major earthquakes in the region
M. N. Machette
1987, Open-File Report 87-444
A review of circulation and mixing studies of San Francisco Bay, California
Lawrence H. Smith
1987, Circular 1015
A description of the major characteristics and remaining unknowns of circulation and mixing in San Francisco Bay has been constructed from a review of published studies. From a broad perspective San Francisco Bay is an ocean-river mixing zone with a seaward flow equal to the sum of the river inflows...
Simulation of flow in the Edwards Aquifer, San Antonio region, Texas, and refinement of storage and flow concepts
R.W. Maclay, L. F. Land
1987, Open-File Report 86-532
The Edwards aquifer is a complexly faulted, carbonate aquifer lying within the Balcones fault zone of south-central Texas. The aquifer is recharged mainly by streamflow losses in the outcrop area of the Edwards aquifer and is discharged by major springs located at considerable distances, as much as 150 mi, from...
The influence of hydraulics on boat trajectories and boating accidents on the Colorado River, Grand Canyon, Arizona
Margie Marley
1987, Open-File Report 87-576
Flood of November 1985 in West Virginia, Pennsylvania, Maryland, and Virginia
Joseph B. Lescinsky
1987, Open-File Report 86-486
Rainfall in excess of 10 inches occurred during the first 5 days of November 1985, resulting in devastating flooding in the Mid-Atlantic states of West Virginia, Pennsylvania, Maryland, and Virginia. Throughout the area, many streams exceeded previously known flood heights and discharges and, in many cases, the recurrence interval of...
Geochemical signatures of mineral deposits and rock types as shown in stream sediments from the Peninsular Terrane, Anchorage Quadrangle, southern Alaska
D.J. Madden, R. B. Tripp
1987, Open-File Report 87-129
