Ohio River Canalization - Lock No. 5, Monogahela River 1929
Now showing: United States - Postage stamps - 1929 - Ohio River Canalization - Lock No. 5, Monogahela River - 1 stamps.
Now showing: United States - Postage stamps - 1929 - Ohio River Canalization - Lock No. 5, Monogahela River - 1 stamps.