1928
Great Northern Iron Ore Properties (Firm : Saint Paul, Minn.)
1:67k
1938
Antoncich, Frank
1:85k
1955
Antoncich, Frank
1:85k
1901
Cram, George
1886
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1891
Roe, Frederick B.
1:32k
1887
Patton & Drew
1:26k
1973
U.S. Lake Survey
1:42k
1951
United States. Air Force
1:500k
1874
Andreas, A. T. (Alfred Theodore), 1839-1900
1:760k