Petroleum age map of the Washington Oil Field.

1876

Caldwell, J. A. (Joseph A.)

Petroleum age map of the Washington Oil Field

1876

Caldwell, J. A. (Joseph A.)

South Strabane

1876

Caldwell, J. A. (Joseph A.)

1:34k

Washington East

1953

1:24k

Washington East

1953

1:24k

Washington East

1953

1:24k

Washington East

1953

1:24k

Washington East

1953

1:24k

Canton Tp

1876

Caldwell, J. A. (Joseph A.)

1:34k

Washington West

1954

1:24k