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1865

Humboldt Mining & Ref. Co.

Regional Atlas

Index map of the various properties. Pro …

1840

Philadelphia.

World Atlas

Philadelphia. Published by the Society f …

1872

Pittsburgh, Allegheny.

City Atlas

Map of the cities of Pittsburgh, Alleghe …

1834

Canal Erie.

National Atlas

Plan du trace de Canal Erie et du Canal …

1966

Folded Structure. Harrisburg, PA. Geolog …

Physical Atlas

Folded Structure. Harrisburg, PA. (oppos …

1966

Folds. Loysvill, PA. Folded Mountains-Hu …

Physical Atlas

Folds. Loysvill, PA. Folded Mountains-Hu …