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68920 results.

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Page 1959, results 48951 - 48975

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Pilot study for collection of bridge-scour data
R.D. Jarrett, J. M. Boyle
1986, Water-Resources Investigations Report 86-4030
Scour around bridges is a serious problem on many rivers; bridge failure often is attributed to undermining of piers or abutments by scour. A pilot study was made at four bridge sites in Colorado to develop and test guidelines for collecting scour data onsite during high flows. These guidelines potentially...
Hydrologic and geologic analysis of two wells in Marion County, South Carolina
M.S. Reid, R.A. Renken, R. L. Wait, W. R. Aucott, R. W. Lee
1986, Water-Resources Investigations Report 86-4102
Two test wells were drilled in Marion County, South Carolina in 1982. Well MRN 77 (Marion 77) was drilled to a depth of 365 ft and was used as an observation well in the Black Creek aquifer and to supply water during drilling of the deeper well. MRN 78 (Marion...
Use and availability of continuous streamflow records in Wyoming
J.R. Schuetz
1986, Open-File Report 85-685
This report documents a survey that identifies local, State, and Federal uses of data from 139 continuous-record, surface-water stations, presently (1984) operated by the Wyoming District of the U. S. Geological Survey; identifies sources of funding pertaining to collections of streamflow data; and presents frequency of data availability. Uses of...
Ground-water levels and use of water for irrigation in the Saratoga Valley, south-central Wyoming, 1980-81
L. W. Lenfest
1986, Water-Resources Investigations Report 84-4040
Although surface water is the principal source of irrigation water in the Saratoga Valley, Wyoming, development of groundwater for irrigation is increasing. Most of the 30 irrigation wells in the valley are capable of producing more than 200 gallons per minute. Approximately 2,700 acre-feet of groundwater for irrigation were pumped...
Leachate migration from an in situ oil-shale retort near Rock Springs, Wyoming
K. C. Glover
1986, Open-File Report 85-575
Geohydrologic factors influencing leachate movement from an in situ oil shale retort near Rock Springs, Wyoming, were investigated by developing models of groundwater flow and solute transport. Leachate, indicated by the conservative ion thiocyanate, has been observed 1/2 mi downgradient from the retort. The contaminated aquifer is part of the...
Water-resources activities in Ohio, 1986 (water fact sheet)
S. M. Hindall
1986, Open-File Report 86-308
The Ohio District of the Water Resources Division, U.S. Geological Survey, provides information on Ohio 's water resources for the overall benefit of the State and the Nation. An integral part of the Survey 's mission is to conduct investigations of the Nation 's land, mineral, and water resources, and...
Discharge ratings for control gates at Mississippi River Lock and Dam 22, Saverton, Missouri
Albert J. Heinitz
1986, Water-Resources Investigations Report 86-4137
The water level of the navigation pools on the Mississippi River are maintained by the operation of tainted and roller gates at the locks and dams. Discharge ratings for the gates on Lock and Dam 22, at Saverton, Missouri, were developed from current-meter discharge measurements made in the forebays of...
Cost effectiveness of the US Geological Survey's stream-gaging programs in New Hampshire and Vermont
J.A. Smath, F.E. Blackey
1986, Water-Resources Investigations Report 85-4173
Data uses and funding sources were identified for the 73 continuous stream gages currently (1984) being operated. Eight stream gages were identified as having insufficient reason to continue their operation. Parts of New Hampshire and Vermont were identified as needing additional hydrologic data. New gages should be established in these...
Hydrogeologic sections of the Edwards Aquifer and its confining units in the San Antonio area, Texas
Ted A. Small
1986, Water-Resources Investigations Report 85-4259
Twenty-seven geohydrology sections illustrate structural and stratigraphic relationships within the 180-mi-long Edwards aquifer. These sections were used to interpret the location of barriers within the Edwards aquifer. The sections are oriented generally south-southeast, which is approximately normal to both the east-northeast trending Edwards aquifer and the strike of the major...
Quality of ground water in the Puget Sound region, Washington, 1981
G. L. Turney
1986, Water-Resources Investigations Report 84-4258
Groundwater from more than 100 sites in the Puget Sound region, Washington, was sampled and analyzed in 1981 for pH, specific conductance, and concentrations of fecal coliform bacteria, major ions, and dissolved iron, manganese, and nitrate. 20% of the samples were analyzed for concentrations of dissolved trace metals including aluminum,...
Water-resources activities of the U.S. Geological Survey in Montana, October 1985 through September 1986
Robert S. Roberts
1986, Open-File Report 86-421-W
Water resources programs and activities of the U.S. Geological Survey in Montana consist principally of hydrologic data collection (6 projects); local areal, or statewide hydrologic investigation (12 projects); and research (1 project). The work is supported by direct Federal funding, by transfer of funds from other federal agencies, and by...
Ground-water-quality data for Picatinny Arsenal, New Jersey, 1958-85
B. P. Sargent, J. W. Green, P. T. Harte, E. F. Vowinkel
1986, Open-File Report 86-58
The water resources of Picatinny Arsenal in northern New Jersey are described using the results of 1,129 analyses of groundwater , including 522 determinations of inorganic constituents and 607 determinations of organic constituents. Water samples were collected from 56 wells on the site from 1958 through 1985. Of these wells,...
Ground-water data for Georgia, 1985
J.S. Clarke, C. N. Joiner, S.A. Longsworth, K.W. McFadden, M.F. Peck
1986, Open-File Report 86-304
Continuous water level records from 146 wells and water level measurements from an additional 1,100 wells in Georgia during 1985 provide the basic data for this report. Hydrographs for selected wells illustrate the effects that changes in recharge and discharge have had on the groundwater reservoirs in the State. Daily...
Altitude and configuration of the water table in the High Plains Aquifer in Kansas, 1960
Marilyn E. Pabst, Lloyd E. Stullken
1986, Open-File Report 82-429
The High Plains aquifer in Kansas is part of a regional aquifer system that extends into Colorado, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. The aquifer in Kansas underlies an area of 31,000 square miles in the western and south-central part of the State. The aquifer is a...