Iron, railroad, canal 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
Shows coal and oil regions from Lake Ontario through much of West Virginia; most of New York State is shown, though without geological detail. Also shows locations of steel works, foundries, etc.
