Author
Union Pacific Railroad Company
17
Dodge, Grenville M., 1831-1916
6
Lander, F. W. 1821-1862
5
United States
5
United States. Army. Corps of Topographical Engineers
5
Whitney, Asa, 1797-1872
5
Gwin, William McKendree, 1805-1885
4
United States. War Department
4
Atlantic and Pacific Railroad Company
3
Benton, Thomas Hart, 1782-1858
3
Degrand, P. P. F. 1787-1855
3
Gilpin, William, 1813-1894
3
Humphreys, A. A. 1810-1883
3
Johnson, Edwin Ferry, 1803-1872
3
Seymour, Silas, 1817-1890
3
Simpson, J. H. 1813-1883
3
Stevens, Isaac Ingalls, 1818-1862
3
Bell, William Abraham
2
Blair, John Insley, 1802-1899
2
Carmichael-Smyth, Robert
2
Carver, Hartwell
2
Central Pacific Railroad Company
2
Chang, Gordon H.,
2
Conkling, Edgar, 1812-1881
2
Davis, Jefferson, 1808-1889
2
Dubuque and Pacific Railroad Company
2
Durant, Thomas Clark, 1820-1885
2
Evans, James A.
2
Frignet, Ernest, 1823-
2
Gray, Andrew B.
2
Hall, William Mosley, 1812-
2
Hebard, Grace Raymond, 1861-1936
2
Judah, Theodore D. 1826-1863
2
Kidwell, Mr
2
National Railroad Convention
2
Pacific Railroad Convention
2
Painter, Uriah Hunt, 1837-1900
2
People's Pacific Railroad Company
2
Plumbe, John, 1809-1857
2
Pope, John, 1822-1892
2
Reed, Samuel Benedict, 1818-1891
2
Sioux City and Pacific Railroad Company
2
United States. Army. Corps of Engineers
2
United States. Congress
2
United States. Congress. House. Committee on Roads and Canals
2
United States. Congress. Senate. Committee on Public Lands
2
United States. Department of the Interior. Engineer Office
2
Wilkes, George, 1817-1885
2
Ambrose, Stephen E.
1
American Bureau of Mines
1
more ...