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Hydrologic conditions and water quality of rainfall and storm runoff for two agricultural areas of t

Ockerman, Darwin J.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2010. 2010

Nitrogen concentrations and deposition in rainfall at two sites in the Coastal Bend area, South Texa

Ockerman, Darwin J.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1999] 1999

A preliminary assessment of streamflow gains and losses for selected stream reaches in the lower Gud

Wehmeyer, Loren L., author.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013. 2013

Science to support the understanding of south Texas surface-water and groundwater resources in a cha

Ockerman, Darwin J.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2012] 2012

Sources of suspended-sediment loads in the lower Nueces River watershed, downstream from Lake Corpus

Ockerman, Darwin J., author.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013. 2013

Streamflow conditions in the Guadalupe River basin, south-central Texas, water years 1987-2006 an as

Ockerman, Darwin J.
Reston, Va. : U.S. Dept. of the interior, U.S. Geological Survey, 2009. 2009