Killdeer

1974

1:24k

Lake Ilo

1973

1:24k

Killdeer

1974

1:100k

Watford City

1967

1:250k

Watford City

1957

1:250k

Watford City

1953

1:250k

Watford City

1953

1:250k

Oakdale

1974

1:24k

Dunn Center NW

1970

1:24k

Land grant NPRR.

1895

Northern Pacific Railroad Company

1:380k