Pennsylvania
Contributors: Geological Survey (U.S.)
Series: USGS fact sheet -- 039-99; Fact sheet (Geological Survey (U.S.)) -- FS-99-039
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1999
Place of publication: [Reston, Va.?
Language: eng
Subjects: Water quality -- Pennsylvania; Hydrogeological surveys -- Pennsylvania; Water -- Pollution -- Pennsylvania
Notes: Caption title

Shipping list no.: 99-0376-P

"August 1999"--P. [1]