Clinton, Centre counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

6. Soil Map, Lockhaven Sheet, Pennsylvania.

1903

Martin. J.O.

1:63k

State College

1988

1:100k

State College

1984

1:100k

Millheim

1957

1:63k

Millheim

1957

1:63k

Millheim

1957

1:63k

Philipsburg

1945

1:63k

Millheim

1941

1:63k

Millheim

1941

1:63k