| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 551 |  | Colorado River Bridge (Glen Canyon) P.2 | 1958-12-02 | Image | dha_cp |
| 552 |  | 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 |
| 553 |  | 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 |
| 554 |  | The Colorado River in Grand Canyon; how fast does it flow? | 1997 | Text | wwdl_er |
| 555 |  | Colorado River Toad 2 | 2008-07-28 | Sound | uu_wss |
| 556 |  | Colorado River trip | 1968; 1969; 1970; 1971; 1972; 1973 | Image | uum_map_rr |
| 557 |  | Colorado River trip, summer 1971 [01] | 1971 | Image/StillImage | uum_map_rr |
| 558 |  | Colorado River trip, summer 1971 [02] | 1971 | Image/StillImage | uum_map_rr |
| 559 |  | Colorado River trip, summer 1971 [03] | 1971 | Image/StillImage | uum_map_rr |
| 560 |  | Colorado River trip, summer 1971 [04] | 1971 | Image/StillImage | uum_map_rr |
| 561 |  | Colorado River trip, summer 1971 [05] | 1971 | Image/StillImage | uum_map_rr |
| 562 |  | Colorado River trip, summer 1971 [06] | 1971 | Image/StillImage | uum_map_rr |
| 563 |  | Colorado River trip, summer 1971 [07] | 1971 | Image/StillImage | uum_map_rr |
| 564 |  | Colorado River trip, summer 1971 [08] | 1971 | Image/StillImage | uum_map_rr |
| 565 |  | Colorado River trip, summer 1971 [09] | 1971 | Image/StillImage | uum_map_rr |
| 566 |  | Colorado River trip, summer 1971 [10] | 1971 | Image/StillImage | uum_map_rr |
| 567 |  | Colorado River trip, summer 1971 [11] | 1971 | Image/StillImage | uum_map_rr |
| 568 |  | Colorado River trip, summer 1971 [12] | 1971 | Image/StillImage | uum_map_rr |
| 569 |  | Colorado River trip, summer 1971 [13] | 1971 | Image/StillImage | uum_map_rr |
| 570 |  | Colorado River trip, summer 1971 [14] | 1971 | Image/StillImage | uum_map_rr |
| 571 |  | Colorado River trip, summer 1971 [15] | 1971 | Image/StillImage | uum_map_rr |
| 572 |  | Colorado River trip, summer 1971 [16] | 1971 | Image/StillImage | uum_map_rr |
| 573 |  | Colorado River trip, summer 1971 [17] | 1971 | Image/StillImage | uum_map_rr |
| 574 |  | Colorado River, 1962 | 1962 | Image/StillImage | uum_map_rr |
| 575 |  | Colorado River, Grand Canyon, June 1956 | 1956-06 | Image/StillImage | uum_map_rr |