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Page 4405, results 110101 - 110125

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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...
Summary of hydrologic conditions in the Reedy Creek Improvement District, central Florida
Edward R. German
1986, Water-Resources Investigations Report 84-4250
The Reedy Creek Improvement is an area of about 43 square miles in southwestern Orange and northwestern Osceola Counties, Florida. A systematic program of hydrologic data collection in the Reedy Creek Improvement District and vicinity provided data for assessing the impact of development, mostly the Walt Disney World Theme Park...
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...
Sources of climatologic, hydrologic, and hydraulic information in the Illinois River basin, Illinois, Indiana, and Wisconsin
G.W. Curtis
1986, Open-File Report 85-629
Information on the sources of climatologic, hydrologic, and hydraulic data for the Illinois River basin is compiled in 20 tables. The study was conducted in cooperation with the U.S. Army Corps of Engineers, Rock Island District, to provide information for their master regulation manual of the llliniois Waterway. Eighteen governmental...
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 Illinois, 1985
M. L. Garrelts
1986, Open-File Report 86-130
This report gives an overview of U.S. Geological Survey, Illinois District, Water Resources Division activities related to the water resources of the State of Illinois. The report includes sections describing District organization, programs, water conditions, data collection activities, and project summaries. Also included is a complete listing of District and...