Factors related to the water-yielding potential of rocks in the Piedmont and Valley and Ridge provinces of Pennsylvania
By: by Debra S. Knopman
Contributors: Geological Survey (U.S.)
Series: Water-resources investigations report -- 90-4174
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Books and Open-File Reports [distributor
Published: 1990
Place of publication: Reston, Va; Denver, Colo
Language: eng
Number of pages: 52
Subjects: Hydrogeology -- Pennsylvania
Other titles: Factors related to the water yielding potential of rocks in the Piedmont and Valley and Ridge provinces of Pennsylvania
Notes: Shipping list no.: 91-218-P

Includes bibliographical references