TY  - BOOK
AU  - Adamson,John Howard
AU  - Graham,Jack B.
AU  - Klein,N.H.
ED  - Geological Survey (U.S.)
TI  - Ground-water resources of valley-fill deposits of Allegheny County, Pennsylvania,
T2  - Pennsylvania and Geological Survey. Bulletin W 8
PY  - 1949///
CY  - Harrisburg,Pa.
PB  - Topographic and Geologic Survey
KW  - Water, Underground
KW  - Pennsylvania
KW  - Allegheny County
N1  - "Pennsylvania Geological Survey. 4th series."; "Supplement to Bulletin W1, Ground water in southwestern Pennsylvania."; Prepared in cooperation with the U.S. Geological Survey
ER  -