Official coal, iron, railroad and canal 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 anthracite and charcoal furnaces, rolling mills, bloomeries and forges of Pennsylvania, New Jersey, Delaware, Maryland, and Southern New York as given in the publications of the American Association Philad'a

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