1901
International Boundary Commission
1:60k
1853
1893
Wood Brothers
1:3m
1934
Leahy, J.F.
1950
Bloodgood, Don
1883
Cram, George Franklin
1:2m
1938
Thomas Brothers
1:2m
1944
United States. Department of Commerce
1:500k
1905
U.S. General Land Office
1908
U.S. General Land Office