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Analyses of native water and dredged material from southern Louisiana waterways, 1975-76
Charles R. Demas, Patricia C. Higgins
1977, Open-File Report 77-503
From June 1975 to July 1976 the U.S. Geological Survey conducted nine dredging and seven postdredging studies related to water quality in selected reaches of major navigable waterways of southern Louisiana. Samples were collected from the Mississippi River-Gulf Outlet, Mississippi River at Southwest Pass, Mississippi River at New Orleans, Bayou...
Water resources data for Florida, water year 1976; Volume 1, northeast Florida
Water Resources Division, U.S. Geological Survey
1977, Water Data Report FL-76-1
Water resources data for the 1975 water year in northeast Florida consists of discharge records for 59 streams, stage—only records for 12 streams, elevations for 67 lakes, and daily water level measurements for 98 wells. Water quality data for approximately 220 surface sites and 700 wells are included; as are...
Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Eagle Quadrangle, Alaska
Edward Huntington Cobb
1977, Open-File Report 77-845
These summaries of references are designed to aid in library research on metallic and nonmetallic (other than mineral fuels and construction materials) mineral occurrences in the Eagle quadrangle, Alaska. All references to reports of the Geological Survey, to most reports of the U.S. Bureau of Mines, and to most reports...
Public water supplies of selected municipalities in Florida, 1975
H.G. Healy
1977, Water-Resources Investigations Report 77-53
In 1975, the 169 municipalities and 5 county water systems listed in this report supplied 1.037 million gallons of water each day, on the average to 77 percent of the population of the State of Florida. The quantity of water supplied represented 90 percent of the State's public water supply...
Stream simulation in an analog model of the ground-water system on Long Island, New York
Arlen W. Harbaugh, Rufus T. Getzen
1977, Water-Resources Investigations Report 77-58
The stream circuits of an electric analog model of the ground-water system of Long Island were modified to more accurately represent the relationahip between streamflow and ground-water levels. Assumptions for use of the revised circuits are (1) that streams are strictly gaining, and (2) that ground-water seepage into the streams...
Fluctuations of ground-water levels in Lee County, Florida, in 1975 water year
T.H. O’Donnell
1977, Open-File Report 76-854
During the 1975 water year, rainfall was about average at Page Field, Florida, and from 20-25 percent below average at Lehigh Acres and Sanibel Island. Water levels were monitored in 57 observation wells in Lee County, Florida. Of the 23 wells that tap the water-table aquifer, one record high and...
Hydrologic changes after logging in two small Oregon coastal watersheds
David Dell Harris
1977, Water Supply Paper 2037
Effects of clearcut, cable logging on the hydrologic characteristics of a small coastal stream in Oregon indicate an average 181-percent increase in sediment yield over a 7-year postlogging period. Annual runoff and high-flow volumes increased 19 and 1.1 inches (480 and 28 mm), respectively, after logging in the watershed. Clearcutting...