6. Soil Map, Lockhaven Sheet, Pennsylvania.

1903

Martin. J.O.

1:63k

Clinton, Centre counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Plate B. North Central Pennsylvania.

1871

Hopkins, G.M.

Town of Yorktown, Westchester County, New York. (insets) Jefferson Valley. Shrub Oak.

1867

Beers, Frederick W.

1:32k

Warren, McKean, Potter, Forest, Elk, Cameron counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Anthracite Coal Fields Of Pennsylvania

1878

Cochran, A.B.

1:158k

National Road from Washington to Lake Ontario

1828

Stansbury, A.J.

1:317k

A New and accurate map of the province of Pennsylvania in North America, from the best authorities.

1780

Composite: General Map Of The Anthracite Coal Fields Of Pennsylvania And Adjoining Counties

1899

Smith, A. DW.

1:127k

General Map Of The Anthracite Coal Fields Of Pennsylvania And Adjoining Counties

1899

Smith, A. DW.

1:127k