The ground-water observation-well program in Pennsylvania
By: by Charles W. Poth.
Contributors: Geological Survey (U.S.). Ground Water Branch.
Series: Pennsylvania. Bureau of Topographic and Geologic Survey. Bulletin W20; Bulletin W,; 20.
Published: 1963
Place of publication: Harrisburg
Language: eng
Number of pages: 18
Subjects: Groundwater -- Pennsylvania.
Notes: On cover: Ground water report.
At head of title: Pennsylvania Geological Survey, Fourth series.
"Prepared by the United States Geological Survey Ground Water Branch in cooperation with the Pennsylvania Geological Survey."