1957
1:250k
1957
1:250k
1931
Office of the Surveyor General
1:127k
1942
International Boundary Commission
1:24k
1874
Andreas, A. T. (Alfred Theodore), 1839-1900
1:760k
1973
NOS Lake Survey Center
1:600k
1973
NOS Lake Survey Center
1:600k
1899
Walcott, Charles D.
1:511k
1878
Cram, George Franklin
1:1m
1877
Cram, George Franklin
1:1m