Temperature of ground water at Philadelphia, Pennsylvania, 1979-1981 /
by Gary N. Paulachok ; prepared in cooperation with the City of Philadelphia Water Department.

APA Citation

Paulachok, G. N., Geological Survey (U.S.)., Philadelphia (Pa.). Water Department. (1985). Temperature of ground water at Philadelphia, Pennsylvania, 1979-1981. [Reston, Va.?]: U.S. Dept. of the Interior, Geological Survey .

MLA Citation

Paulachok, Gary N, Geological Survey (U.S.), and Philadelphia (Pa.). Water Department. Temperature of Ground Water At Philadelphia, Pennsylvania, 1979-1981. [Reston, Va.?]: U.S. Dept. of the Interior, Geological Survey , 1985.