Ground-water resources of Pennsylvania,
Lohman, Stanley William, 1907-
Ground-water resources of Pennsylvania, by Stanley W. Lohman. Prepared in cooperation between the Geological Survey, United States Department of the Interior, and the Pennsylvania Topographic and Geologic Survey. - Harrisburg, Pa., Dept. of Internal Affairs, Topographic and Geologic Survey, 1941. - vi, 32 p. fold. map 24 cm. - Pennsylvania. Topographic and Geologic Survey. Bulletin W7 . - Bulletin W, 7. .
At head of title: Pennsylvania Geologic Survey, fourth series.
gs 41000114
Groundwater--Pennsylvania.
Water-supply--Pennsylvania.
GB1025.P4 / L624
551.4909748
PY G345/4.3 W7
Ground-water resources of Pennsylvania, by Stanley W. Lohman. Prepared in cooperation between the Geological Survey, United States Department of the Interior, and the Pennsylvania Topographic and Geologic Survey. - Harrisburg, Pa., Dept. of Internal Affairs, Topographic and Geologic Survey, 1941. - vi, 32 p. fold. map 24 cm. - Pennsylvania. Topographic and Geologic Survey. Bulletin W7 . - Bulletin W, 7. .
At head of title: Pennsylvania Geologic Survey, fourth series.
gs 41000114
Groundwater--Pennsylvania.
Water-supply--Pennsylvania.
GB1025.P4 / L624
551.4909748
PY G345/4.3 W7