| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 251 |
 |
Ophir avalanche, Feb. 20, 1897: west end & part of front of depot, R.G. So. R.R., stage barn in rear | 1897-02 | Image | uum_map |
| 252 |
 |
Westwater, Utah-Colorado 1981 | 1980; 1981 | Image/StillImage | ucl_maps |
| 253 |
 |
Chipeta Monument [N-210] | 1925; 1926; 1927; 1928; 1929; 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937 | Image/StillImage | uaida_main |
| 254 |
 |
Animas hydroelectric system, Colorado [01] | 1911-10-15 | Image | uum_map |
| 255 |
 |
Platte River ecosystem resources and management, with emphasis on the Big Bend reach in Nebraska. US Fish and Wildlife Service, Grand Island, Nebraska | 1997 | Text | wwdl_er |