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By: Van Hise, Charles Richard, - Leith, C. K. (Charles Kenneth), - Martin, Lawrence,Edition:Publication info: Washington, Govt. print. off, 1911Volume: v.52 (1911)Series:Holding Institution: University of Connecticut LibrariesSubjects:BHL Collections:
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By: Phalen, William Clifton, - Martin, Lawrence, - Pennsylvania. Bureau of Topographic and Geologic Survey.Edition:Publication info: Washington, Government Printing Office, 1911Volume: no.447-450Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections: