| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 576 |  | Colorado River Bridge (Glen Canyon) P.8 | Image | dha_cp | |
| 577 |  | Colorado River Bridge (Glen Canyon) P.9 | Image | dha_cp | |
| 578 |  | Colorado River Ferry, Lee's Ferry, Ariz. P.2 | Image | dha_cp | |
| 579 |  | Colorado River Ferry, Lee's Ferry, Ariz. P.3 | Image | dha_cp | |
| 580 |  | Colorado River in Grand Canyon, from Toroweap Point | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970 | Image | uum_map_rr |
| 581 |  | Colorado River in Grand Canyon, from Toroweap Point | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970 | Image | uum_map_rr |
| 582 |  | The Colorado River in Grand Canyon; how fast does it flow? | 1997 | Text | wwdl_er |
| 583 |  | Colorado River Toad 1 | Sound | uu_wss | |
| 584 |  | Colorado River Toad 2 | 2008-07-28 | Sound | uu_wss |
| 585 |  | Colorado River trip | 1968; 1969; 1970; 1971; 1972; 1973 | Image | uum_map_rr |
| 586 |  | Colorado River trip, summer 1971 [01] | 1971 | Image/StillImage | uum_map_rr |
| 587 |  | Colorado River trip, summer 1971 [02] | 1971 | Image/StillImage | uum_map_rr |
| 588 |  | Colorado River trip, summer 1971 [03] | 1971 | Image/StillImage | uum_map_rr |
| 589 |  | Colorado River trip, summer 1971 [04] | 1971 | Image/StillImage | uum_map_rr |
| 590 |  | Colorado River trip, summer 1971 [05] | 1971 | Image/StillImage | uum_map_rr |
| 591 |  | Colorado River trip, summer 1971 [06] | 1971 | Image/StillImage | uum_map_rr |
| 592 |  | Colorado River trip, summer 1971 [07] | 1971 | Image/StillImage | uum_map_rr |
| 593 |  | Colorado River trip, summer 1971 [08] | 1971 | Image/StillImage | uum_map_rr |
| 594 |  | Colorado River trip, summer 1971 [09] | 1971 | Image/StillImage | uum_map_rr |
| 595 |  | Colorado River trip, summer 1971 [10] | 1971 | Image/StillImage | uum_map_rr |
| 596 |  | Colorado River trip, summer 1971 [11] | 1971 | Image/StillImage | uum_map_rr |
| 597 |  | Colorado River trip, summer 1971 [12] | 1971 | Image/StillImage | uum_map_rr |
| 598 |  | Colorado River trip, summer 1971 [13] | 1971 | Image/StillImage | uum_map_rr |
| 599 |  | Colorado River trip, summer 1971 [14] | 1971 | Image/StillImage | uum_map_rr |
| 600 |  | Colorado River trip, summer 1971 [15] | 1971 | Image/StillImage | uum_map_rr |