1860
Captain G. H. Richards
1884
Henderson, C.F.
1999
1906
Canada. Department of Interior
1:32k
1884
Henderson, C.F.
1913
McInnes, William; Leach, W.W.; Dowling, D.B.
1:380k
1866
Unknown
1:200k
1913
International Boundary Commission
1:63k
1913
International Boundary Commission
1:63k
1854
U.S. Lake Survey
1:200k