Curwensville quadrangle
Subtitle: geology and mineral resources
By: by George H. Ashley ; Geology by G.H. Ashley and Frederick G. Clapp
Contributors: Clapp, Frederick G. (Frederick Gardner), 1879-1944, author
Series: Pennsylvania. Geological survey. Fourth series ; Topographic and geologic atlas of Pennsylvania -- no. 75; Pennsylvania Geological Survey -- no. 75.
Publisher: Department of internal affairs, Topographic and geologic survey
Published: 1940
Place of publication: Harrisburg
Language: eng
Number of pages: 141
Subjects: Geology; Mines and mineral resources
Notes: "Including notes by J.H. Hance, F.T. Moyer and R.W. Stone": p. 1. Maps and diagram in pocket.