Green's Marine Directory of the Great Lakes, 1936, p. 3
The following text may have been generated by Optical Character Recognition, with varying degrees of accuracy. Reader beware!
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TI1E HOPPERS COAL COMPANY, INC.
General Offices: KOPPERS BUILDING, PITTSBURGH
Branch Offices: CHICAGO, CINCINNATI, CLEVELAND, DETROIT, NEW YORK, NORFOLK, PHILADELPHIA
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