James M. Gerhart
Identifiers
- Open LibraryOL197903A
Top Subjects
- Centre Co (1)
- Clearfield Co (1)
- Pennsylvania (1)
- Aquifers -- Mathematical models (1)
- Aquifers -- Data processing (1)
- Aquifers -- Pennsylvania -- Centre Co (1)
- Aquifers -- Pennsylvania -- Clearfield Co (1)
Books by James M. Gerhart
Total count: 6
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Digital simulation of the yield potential of the Elliot Park-Burgoon aquifer in eastern Clearfield and western Centre Counties, Pennsylvaniaspecial report of research conducted in the Department of Geosciences, College of Earth and Mineral SciencesCoal Research Section, Pennsylvania State University1977-01-01
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Evaluation of the ground-water resources of the lower Susquehanna River basin, Pennsylvania and MarylandOpen-File Services Section, Western Distribution Branch, U.S. Geological Survey1984-01-01
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Evaluation of the ground-water resources of parts of Lancaster and Berks counties, PennsylvaniaU.S. Dept. of the Interior, Geological Survey1984-01-01
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National Water-Quality Assessment programthe Potomac River basinBooks and Open-File Reports Section, distributor1991-01-01
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Selected trace-element and organic contaminants in the streambed sediments of the Potomac River basin, August 1992U.S. Geological Survey1995-01-01
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Design and implementation of a sampling strategy for a water-quality assessment of the Potomac River basinU.S. Dept. of the Interior, U.S. Geological Survey1996-01-01