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Page 871, results 21751 - 21775

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Sediment and channel-geometry investigations for the Kansas River bank stabilization study, Kansas, Nebraska, and Colorado
W. R. Osterkamp, R.E. Curtis, H.G. Crowther
1982, Open-File Report 81-128
Analysis of hydrologic data from the Kansas River basin suggests that the channels of the lower Solomon, Saline, and Smoky Hill Rivers have narrowed and stabilized as a result of construction of upstream reservoirs. The Kansas River channel, however, remains relatively unstable and locally active. Streamflow regulation and sediment trapping...
The determination of total volatiles in rocks by loss-on-fusion
V.G. Mossotti, B. King
1982, Open-File Report 82-587
A fast and accurate technique has been developed for the determination of the total volatile content of rocks. The loss on fusion (LOF) results are comparable to the conventional time-consuming wet-chemical procedure but require no additional effort or cost when conducted as part of the usual sample preparation procedure for...
Changes in flood response of the Red River of the North Basin, North Dakota-Minnesota
Jeffrey E. Miller, Dale L. Frink
1982, Open-File Report 82-774
The magnitude and frequency of large floods that have occurred in recent years in the basin of the Red River of the North have caused concern that land-use changes and manmade drainage have increased flooding. This study was undertaken to determine if any changes in flood response of the Red...
Sewage plume in a sand and gravel aquifer, Cape Cod, Massachusetts
Denis LeBlanc
1982, Open-File Report 82-274
Secondarily treated domestic sewage has been disposed of on surface sand beds at the sewage treatment facility at Otis Air Force Base, Massachusetts, since 1936. Infiltration of the sewage through the sand beds into the underlying unconfined sand and gravel aquifer has resulted in a plume of sewage-contaminated ground water...
Water-quality reconnaissance of the north Dade County solid-waste facility, Florida
D.J. McKenzie
1982, Open-File Report 82-753
A water-quality sampling reconnaissance of the north Dade County solid-waste disposal facility (landfill) near Carol City, Florida, was conducted during 1977-78. The purpose of the reconnaissance was to determine selected quality characteristics of the surface- and ground-water of the landfill and contiguous area; and to assess, generally, if leachate produced...
Potential hydrologic impacts of ground-water withdrawal from the Cape Cod National Seashore, Truro, Massachusetts
Denis R. LeBlanc
1982, Open-File Report 82-438
The hydrologic impacts of continuous ground-water withdrawals at 0.75, 1.0, and 1.24 Mgal/d (million gallons per day) from a test-well site in the Cape Cod National Seashore, Truro, Massachusetts, were evaluated with a three-dimensional finite-difference steady-state-flow digital model. The digital model was prepared during an earlier study and is only...
Hydrologic data for the Potomac Formation in New Castle County, Delaware
Mary M. Martin, Judith M. Denver
1982, Open-File Report 81-916
Hydrologic data for the Potomac Formation in New Castle County, Delaware, consist of records of historical ground-water pumpage, water levels, water quality, and surface-water discharge. This report includes records of 405 wells and hydro-graphs of water levels in 86 wells. Pumpage from 20 well fields is reported. Also included are...
Ground-water monitoring at Santa Barbara, California; Phase 2-effects of pumping on water levels and water quality in the Santa Barbara ground-water basins
Peter Martin
1982, Open-File Report 82-366
From July 1978 to January 1980, water levels declined more than 100 feet in the southern part of the Santa Barbara ground-water basin. The water-level declines are the result of increases in municipal pumping since July 1978. The increase in municipal pumping was part of a basin-testing program to determine...
Water for western oil shale development: Potential local supplies
G.A. Miller
1982, Open-File Report 82-31
Commercial-scale development of western oil shale resources will require a supply of water for both extraction and reclamation purposes. This paper summarizes some of the information on the occurrence of potential local supplies of water in the Piceance Creek Basin-Uinta Basin areas of northwest Colorado and northeast Utah. The discussion...
Reconnaissance water-balance study of Lake Gregory, California
C.E. McConaughy
1982, Open-File Report 82-367
A study was made to determine the magnitude and distribution of the surface-water inflow and outflow (water balance) of the Lake Gregory basin in southern California. Data were collected from April 1979 through June 1981. Runoff during the study period varied greatly with the majority of inflow occurring between December...
Procedures for assessment of cumulative impacts of coal mining on the hydrologic balance
Alan M. Lumb
1982, Open-File Report 82-334
Techniques were developed to assess the probable cumulative impacts of anticipated surface mining upon the hydrology of and area. An activity profile of cumulative drainage area versus river miles downstream from the surface mining site is constructed that shows major water uses, flood prone areas, and stream classifications. From the...
Preliminary evaluation of the potential for artificial ground-water recharge in eastern San Joaquin County, California
H. T. Mitten
1982, Open-File Report 82-123
In response to increasing demand on water supplies and declining water levels in San Joaquin County, the U. S. Geological Survey, in cooperation with the San Joaquin County Flood Control and Water Conservation District, is evaluating the potential for artificially recharging the aquifer system in eastern San Joaquin County, California....
Computer programs for modeling flow and water quality of surface water systems
J.A. Lorens
1982, Open-File Report 82-430
A selection of available computer programs for modeling flow and water quality in surface water systems is described. The models include programs developed as part of the U.S. Geological Survey Water Resources Division hydrologic research activities and others developed by other agencies, universities, and consulting firms. Each model description includes...
An index of geophysical well logging in Virginia by the U.S. Geological Survey
M. Patrick Mulheren, J. D. Larson, Herbert T. Hopkins
1982, Open-File Report 82-432
Geophysical logs have been obtained in more than 170 wells in Virginia by the U.S. Geological Survey since 1968. These logs include natural gamma, electric, caliper, temperature, fluid conductivity, and fluid velocity. Most of the logs are for wells in the Coastal Plain Province of eastern Virginia. Geophysical logs aid...