Railroad, canal, iron and coal map of Pennsylvania, &c. : showing the relative position of the various anthracite and bituminous coal fields, the railroads, canals and navigable waters by which they are connected forming their respective avenues to market, also the furnaces, rolling mills, bloomeries and forges of Pennsylvania and adjoining states : for the Auditor Genls. report on the rail r. & canals of Penna. for 1868 Maps University Of Minnesota Full Details

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