| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 501 |  | Coconino Forest | 1900 | Image | uum_map |
| 502 |  | Coconino Forest Between Flagstaff & Grand Canyon, 1900 [1] | 1900 | Image | uum_map |
| 503 |  | Coconino Forest Between Flagstaff & Grand Canyon, 1900 [2] | 1900 | Image | uum_map |
| 504 |  | Collared Peccary eating | 1998 | Sound | uu_wss |
| 505 |  | Color banded Navajo-Wingate, Sand Wash, 1936. | 1936 | Image | uum_map |
| 506 |  | Colorado Canyon | 1899 | Image | uum_map |
| 507 |  | Colorado canyon & south Toroweap Valley from Vulcan's Throne | 1900 | Image | uum_map |
| 508 |  | Colorado Canyon 1900 | 1900 | Image | uum_map |
| 509 |  | Colorado Canyon 1900: fault | 1900 | Image | uum_map |
| 510 |  | Colorado Canyon 1900: Petrified wood | 1900 | Image | uum_map |
| 511 |  | Colorado Canyon 1900: terraces | 1900 | Image | uum_map |
| 512 |  | Colorado Canyon from Vulcan's Throne | 1900 | Image | uum_map |
| 513 |  | Colorado River - Near Lees Ferry - Arizona | 1932-05 | Image/StillImage | uum_map |
| 514 |  | Colorado River -- Excursions p.16 | 1949-06-17 | Image/StillImage | dha_cp |
| 515 |  | Colorado River -- Excursions p.5 | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image/StillImage | dha_cp |
| 516 |  | Colorado River -- Grand Canyon p.1 | 1958-10-04 | Image/StillImage | dha_cp |
| 517 |  | Colorado River -- Kanab Creek p.1 | 1934 | Image/StillImage | dha_cp |
| 518 |  | Colorado River -- Lee's Ferry p.1 | 1960 | Image/StillImage | dha_cp |
| 519 |  | Colorado River -- Lee's Ferry p.2 | 1960 | Image/StillImage | dha_cp |
| 520 |  | Colorado River -- Lee's Ferry p.3 | 1935-03-19 | Image/StillImage | dha_cp |
| 521 |  | Colorado River -- Marble Canyon, Ariz. p.1 | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950 | Image/StillImage | dha_cp |
| 522 |  | Colorado River -- Marble Canyon, Ariz. p.2 | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950 | Image/StillImage | dha_cp |
| 523 |  | Colorado River -- Marble Canyon, Ariz. p.3 | 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940 | Image/StillImage | dha_cp |
| 524 |  | Colorado River -- Marble Canyon, Ariz. p.4 | 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940 | Image/StillImage | dha_cp |
| 525 |  | Colorado River -- Marble Canyon, Ariz. p.5 | 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940 | Image/StillImage | dha_cp |