
/ by George H. Ashley . Geology by G. H. ashley and Frederick G. Clapp. Harrisburg Dept of
Edition 1
Main Entry
Ashley, George Hall, 1866-، نویسندهTitle and Author
Curwensville quadrangle . Geology and mineral and mineral resources / / by George H. Ashley . Geology by G. H. ashley and Frederick G. Clapp. Harrisburg Dept ofPublication Details
هریسبرگ : : Topographic and Geologie Survey، 1940مPhysical Description
v.؛ ; 18cm؛ : illus., table., diagrs..Subject
Geologyseries
(Pennsylvania. Geological survey . Fourth series topographic and Geologic Atlas of Pennsglvania . no؛ ; 75)Added Identifiers
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