Anthracite Coal Field, Pottsville, Pennsylvania.

1836

Fisher, Samuel B.

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Berks County, Pennsylvania, An Historical Map.

1947

Dunkelberger, Ralph D.

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1872

Gray, Ormando Willis; Walling, H. F.

1:300k

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1862

Fagan, L.

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1871

Hopkins, G.M.

Columbia, Union, Snyder, Montour, Northumberland counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

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1871

Hopkins, G.M.

The United States of America. A study of the American Commonwealth, its natural resources, people, industries, manufactures, commerce, and its work in literature, science, education and self-government. [By various authors.] Edited by N. S. Shaler ... With many illustrations

1894

SHALER, Nathaniel Southgate.

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1872

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A map of the territory served by Philadelphia Electric Company

1951

Philadelphia Electric Company

1:300k