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By: Maryland Geological Survey. - Abbe, Cleveland, - Bauer, L. A. (Louis Agricola), - Clark, William Bullock, - Dorsey, Clarence W. - Fassig, Oliver L. - Merriam, C. Hart (Clinton Hart), - Newell, Frederick Haynes, - O'Harra, Cleophas C. - Preble, Edward Alexander, - Sudworth, George B. (George Bishop),Edition:Publication info: Baltimore, Johns Hopkins Press, 1900Volume:Series:Holding Institution: University of Toronto - Robarts LibrarySubjects: Allegany County Allegany County (Md.) Forests and forestry Geology Maryland Mines and mineral resources Physical geographyBHL Collections:
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By: Woodruff, John Grant. - Colgate University.Edition:Publication info: Albany, University of the State of New York, 1942Volume: no.326 (1942)Series:Holding Institution: New York Botanical Garden, LuEsther T. Mertz LibrarySubjects: Allegany County Devonian Devonian Geologic Period From 345 to 405 million years ago Geology Geology, Stratigraphic Natural gas New York (State)BHL Collections: Expanding Access to Biodiversity Literature