Natural water losses from Pennsylvania drainage basins.
By: Prepared in cooperation with the United States Geological survey. John W. Mangan, district engineer.
Contributors: Geological Survey (U.S.)
Published: 1940
Place of publication: Harrisburg, Pa
Language: eng
Number of pages: 73
Subjects: Water-supply -- Pennsylvania.
Notes: At head of title: Commonwealth of Pennsylvania, Department of forests and waters. G. Albert Stewart, secretary. Charles E. Ryder, chief engineer.

Reproduced from type-written copy.