ID:DA16944764
Ashley, Geo. H. (George Hall)
Ashley, Geo. H. (George Hall), b. 1866
Ashley, George Hall
Ashley, George Hall, b. 1866
Ashley, G. H. (George Hall), b. 1866
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by George H. Ashley ; Geology by G.H. Ashley and Frederick G. Clapp
[Pennsylvania] Topographic and Geologic Survey 1940 Topographic and geologic atlas of Pennsylvania no. 75
Available at 1 libraries
by George W. Stose, Anna I. Jonas, George H. Ashley
United States Geological Survey 1933 Guidebook 10 ; Excursion B-1, B-2, B-3
Available at 3 libraries
U.S.G.P.O. 1932 Guidebook 10 ; Excursion B-1, B-2, B-3
U.S. Government Printing Office 1910 Bulletin / Department of the Interior, United States Geological Survey 424
: pbk
by George Hall Ashley and Leonidas Chalmers Glenn
Gov't print. off 1906 Geological Survey professional paper no. 49
[by Myron L. Fuller and George H. Ashley]
U.S. Geological Survey 1902 Library ed Geologic atlas of the United States no. 84
Cartographic Material (Map)
Available at 2 libraries