Union Pacific railroad [microform] : a geological & agricultural survey of 100 miles west of Omaha /
American bureau of mines (New York)
Egleston, Thomas,1832-1900lcn02342106
New York : American bureau of mines,
1866.
Survey made by Thomas Egleston.
Sabin 1067.
Sabin Group 4.
Microfiche.
Union Pacific railroad.
Geology