00845cam a22002411 4500 gs 53000218 DLC 20260227111400.0 850801s1953 dcuab 000 0 eng c gs 53000218 (OCoLC)12332824 U.S. Geol. Survey. Libr. TxHR DLC QE75 .C5 no. 257 TD224.P4 M3 Mangan, John William. The use of water in Pennsylvania, 1951, by John W. Mangan and Jack B. Graham. Washington, 1953. 11 p. map, diagrs., tables 27 cm. Geological Survey circular, 257 Based on data collected in cooperation with the Pennsylvania Departments of Internal Affairs and Forests and Waters. Water-supply Pennsylvania. Graham, Jack Bennett, 1913- 28764 28764