Title | Date | Type | ||
---|---|---|---|---|
1 |
![]() | Exploration of the Colorado River of the West and Its Tributaries Explored in 1869, 1870, 1871, and 1872, Under the Direction of the Secretary of the Smithsonian Institution. | 1875 | Text |
2 |
![]() | Page 1871 | ||
3 |
![]() | Page 2140 | 1878-09-03 | |
4 |
![]() | Page 1870 | ||
5 |
![]() | Page 1966 | ||
6 |
![]() | Scientific American Supplement, Vol. VI, No. 131. | 1878-07-06 | Text |
7 |
![]() | Page 193, The Grand Canon of the Colorado | ||
8 |
![]() | Page 2141 | 1878-09-03 | |
9 |
![]() | Page 1965 | ||
10 |
![]() | Page 1918 | ||
11 |
![]() | Page 1919 | ||
12 |
![]() | Page 1869 | ||
13 |
![]() | Page 2139 | 1878-09-03 | |
14 |
![]() | Page 1967 | ||
15 |
![]() | Page 1917 |