Geology and mineral resources of the Skytop quadrangle,
Sevon, William D.
Geology and mineral resources of the Skytop quadrangle, Monroe and Pike Counties, Pennsylvania, by W. D. Sevon and Thomas M. Berg. - Harrisburg [Pennsylvania Topographic and Geologic Survey] 1978. - viii, 33 p. illus., map (fold. col. in pocket) 26 cm. - Pennsylvania. A214a. . - Atlas (Pennsylvania. Bureau of Topographic and Geologic Survey) ; A214a. .
"Pennsylvania Geological Survey, 4th series." Spine title: Geology of the Skytop quadrangle.
79621148
Geology--Pennsylvania--Skytop Quadrangle.
Mines and mineral resources--Skytop quadrangle.
Geology and mineral resources of the Skytop quadrangle, Monroe and Pike Counties, Pennsylvania, by W. D. Sevon and Thomas M. Berg. - Harrisburg [Pennsylvania Topographic and Geologic Survey] 1978. - viii, 33 p. illus., map (fold. col. in pocket) 26 cm. - Pennsylvania. A214a. . - Atlas (Pennsylvania. Bureau of Topographic and Geologic Survey) ; A214a. .
"Pennsylvania Geological Survey, 4th series." Spine title: Geology of the Skytop quadrangle.
79621148
Geology--Pennsylvania--Skytop Quadrangle.
Mines and mineral resources--Skytop quadrangle.