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Publications

Here you will find publications, reports and articles produced by Lower Mississippi-Gulf scientists. For a comprehensive listing of all USGS publications please click the button below.

Filter Total Items: 422

Analysis of the low-flow characteristics of streams in Louisiana

The U.S. Geological Survey, in cooperation with the Louisiana Department of Transportation and Development, Office of Public Works, used geologic maps, soils maps, precipitation data, and low-flow data to define four hydrographic regions in Louisiana having distinct low-flow characteristics. Equations were derived, using regression analyses, to estimate the 7Q2, 7Q10, and 7Q20 flow rates for basic
Authors
Fred N. Lee

Quality of water in the Red River alluvial aquifer, Shreveport, to the mouth of the Black River, Louisiana

Chemical analyses of water samples from 296 wells in the Red River alluvial aquifer indicate that the ground water in the valley is generally hard (more than 120 milligrams per liter) and has a high iron concentration (greater than 6,000 micrograms per liter). The predominant ions found in the water were calcium and bicarbonate. However, in places in the vicinity of Natchitoches, saline water, pro
Authors
A. H. Ludwig
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