Somerset, Bedford, Fulton counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Plate G. Southwest Pennsylvania.

1871

Hopkins, G.M.

Westmoreland, Fayette counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Canal de la Chesapeake a l'Ohio.

1834

Poussin, Guillaume Tell, 1794-1876

1:500k

State of Maryland

1840

none

1:521k

Map of Virginia (upper center sheet)

1807

Madison, Rev. James

1:444k

Washington's campaign with Braddock in 1755

1791

Washington, George

1:750k

Pennsylvania (western part).

1948

Hammond, C.S.

1:585k

Pittsburgh & Western Pennsylvania : Coal & coke fields, oil regions & location of natural gas wells & gas mains leading to Pittsburgh

1876

Caldwell, J. A. (Joseph A.)

1:400k

Industries Of Western Pennsylvania

1884

Lee, Alex. Y.

1:111k