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

1993

1:24k

Washington West

1954

1:24k