Books by Chesapeake and Ohio Railroad Coal Agency:
Books in the extended shelves:
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Chesapeake and Ohio Railroad Coal Agency: Report on the two kinds of coal (Govt. Print. Off., 1878), also by United States. Navy Department. Bureau of Engineering and B. F. Isherwood (page images at HathiTrust)
Find more by Chesapeake and Ohio Railroad Coal Agency at your library, or elsewhere.