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PUBLICATIONS OF THE UNITED STATES GEOLOGICAL SURVEY
U. S. GEOLOGICAL SURVEY MAPS
HA (HYDROLOGIC ATLAS SERIES) MAPS
Schneider W. J. 1965 WATER RESOURCES OF THE APPALACHIAN REGION PENNSYLVANIA TO ALABAMA USGS Map HA-198 Price: $4.00
Wyrick G. G. 1968 GROUND-WATER RESOURCES OF THE APPALACHIAN REGION USGS Map HA-295 Price: $5.00 |
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