1881
Wheeler, G.M.
1:253k
1877
Wheeler, G.M.
1:253k
1877
Wheeler, G.M.
1:253k
1881
Hayden, F.V.
1:253k
1881
Hayden, F.V.
1:253k
1889
(Maxwell Land Grant Company)
1:253k
1873
Ruffner, E. H. (Ernest Howard)
1:500k
1881
Hayden, F.V.
1:21k
1881
Hayden, F.V.
1:253k
1861
Gunnison, J.W.
1:760k