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  1. Report on the coal measures of Blount Mountain, with map and sections,
    By: Geological Survey of Alabama. - Gibson, A. M.
    Publication info: Montgomery, Ala. :the Brown Printing Company, state printers,1893.
    Holding Institution: University of California Libraries (archive.org)
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  2. Report on the geological structure of Murphree's Valley, and its minerals and other materials of economic value.
    By: Geological Survey of Alabama. - Gibson, A. M.
    Publication info: Montgomery, Ala. :Excelsior Printing Co.,1893.
    Holding Institution: University of California Libraries (archive.org)
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