Publication Citation

USGS Series Water-Resources Investigations Report
Report Number 90-4174
Title Factors related to the water-yielding potential of rocks in the Piedmont and Valley and Ridge provinces of Pennsylvania
Edition -
Language ENGLISH
Author(s) Knopman, D. S.
Year 1990
Originating office
USGS Library Call Number (200) WRi no.90-4174
Physical description v, 52 p. :ill., map ;28 cm.
ISBN

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