1914
Marshall, R. B.; Tatum, Sledge; Baldwin, H. L. (jr.); United States Geological Survey
1:125k
1914
Washington : U.S.Geological Survey
1925
Great Northern Railway
1952
Wessel
1:225k
1938
Lindgren, Jolly
1900
Ayers, H.B.
1:911k
1899
Ayers, H.B.
1:911k
1899
Ayers, H.B.
1:508k
1878
Twining, W.J.
1:507k
1935
C&GS
1:500k