1979
1:250k
1917
E.H. Smith
1:253k
1896
Blum, George W.
1:444k
1888
C&GS
1:200k
1898
San Francisco and North Pacific Railway Company
1:850k
1848
Ord, Edward Otho Cresap (E.O.C.O.)
1:680k
1871
Knight, W.H.
1:760k
1861
Beckwith, E.G.
1:760k
1865
Poett, A.
1:253k
1900
Santa Fe Railroad
1:253k