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Annual and seasonal low-flow characteristics of Iowa streams
Oscar G. Lara
1979, Open-File Report 79-555
The low-flow characteristics of Iowa streams are described by annual and seasonal low-flow frequency and duration data. Tabulated in this report are low-flow data collected at 135 gaging stations on Iowa streams, three on the Mississippi River, four on the Missour River, and 426 partial-record sites. The information contained in...
Mesozoic stratigraphy: the key to tectonic analysis of southern and central Alaska
David Lawrence Jones, Norman J. Silberling
1979, Open-File Report 79-1200
Southern and central Alaska constitutes an enormous tectonic mosaic composed of separate structural blocks and fragments that accreted to North America during Mesozoic and early Cenozoic time. Some of these blocks are far traveled, as shown by paleomagnetic and paleontologic studies. More than 25 discrete tectonostratigraphic terranes now are known,...
Water resources data for Connecticut, water year 1977
Water Resources Division, U.S. Geological Survey
1979, Water Data Report CT-77-1
Water resources data for the 1977 water year for Connecticut consist of records of stage, discharge, and water quality of streams; contents and water quality of lakes and reservoirs; and water levels and water quality of ground water. This report contains discharge records for 50 gaging stations; tidal volume for...
Analyses of native water, bottom material, and elutriate samples of southern Louisiana waterways, 1977-78
Alton J. Dupuy, Nolan P. Couvillion
1979, Open-File Report 79-1484
From March 1977 to July 1978 the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers conducted a series of elutriate studies to determine water quality in selected reaches of major navigable waterways of southern Louisiana. Samples were collected from the Mississippi River-Gulf Outlet area; Mississippi River,...
Estimated drawdowns in the Floridan aquifer due to increased withdrawals, Duval County, Florida
Bernard J. Franks, G. G. Phelps
1979, Water-Resources Investigations Report 79-84
Hydrologic investigations of the Floridan aquifer in Duval County, Florida, have shown that an appropriate simplified model of the aquifer system consists of a series of sub aquifers separated by semipermeable beds. Data from more than 20 aquifer tests were reanalyzed by the Hantush modified method, which takes into account...