Hydrology of the New Oxford formation in Lancaster County,
Johnston, Herbert E.
Hydrology of the New Oxford formation in Lancaster County, Pennsylvania. - Harrisburg [Topographic and Geologic Survey] 1966. - v, 80 p. illus., 1 fold. col. map (in pocket) 23 cm. - Pennsylvania. W23. . - Ground water report (Pennsylvania. Bureau of Topographic and Geologic Survey) ; W23. .
"Pennsylvania Geological Survey. 4th series." Prepared by the U.S. Geological Survey, Ground Water Branch, in cooperation with the Pennsylvania Geological Survey.
72630342
Water, Underground--Pennsylvania--Lancaster County.
Geology--Pennsylvania--Lancaster County.
Hydrology of the New Oxford formation in Lancaster County, Pennsylvania. - Harrisburg [Topographic and Geologic Survey] 1966. - v, 80 p. illus., 1 fold. col. map (in pocket) 23 cm. - Pennsylvania. W23. . - Ground water report (Pennsylvania. Bureau of Topographic and Geologic Survey) ; W23. .
"Pennsylvania Geological Survey. 4th series." Prepared by the U.S. Geological Survey, Ground Water Branch, in cooperation with the Pennsylvania Geological Survey.
72630342
Water, Underground--Pennsylvania--Lancaster County.
Geology--Pennsylvania--Lancaster County.