1901
International Boundary Commission
1:60k
1901
International Boundary Commission
1:60k
1853
1944
United States. Department of Commerce
1:500k
1858
Campbell, Albert
1:602k
1923
Mexico. Direccion de Estudios Geográficos y Climatologicos
1:500k
1861
Parke, John G.
1:760k
1930
Southern Pacific Railroad
1985
Breed, William J.
1:435k
1950
Avey, George M.