| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 2276 |  | People on boats, Yampa River | 1976 | Image | uum_map_rr |
| 2277 |  | People on boats, Yampa River | 1976 | Image | uum_map_rr |
| 2278 |  | People on rocks | 1976 | Image | uum_map_rr |
| 2279 |  | People on shore | 1976 | Image | uum_map_rr |
| 2280 |  | People watching a falls on river | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980 | Image | uum_map_rr |
| 2281 |  | Person in camp | 1976 | Image | uum_map_rr |
| 2282 |  | Pesticides in surface waters of the upper Colorado River basin, Colorado, 1996-98 | 2000 | Text | wwdl_er |
| 2283 |  | Petroglyphs near Green River | 1940; 1941 | uum_map_rr | |
| 2284 |  | Petroglyphs P.20 | 1948 | Image | dha_cp |
| 2285 |  | Petroglyphs P.22 | 1948 | Image | dha_cp |
| 2286 |  | Petroglyphs P.23 | 1948 | Image | dha_cp |
| 2287 |  | Pevige [P-6] | 1894 | Image/StillImage | uaida_main |
| 2288 |  | Pevige [P-7] | 1896 | Image/StillImage | uaida_main |
| 2289 |  | Piah [CHS.J1026] | 1882; 1883; 1884; 1885; 1886; 1887; 1888; 1889; 1890; 1891; 1892; 1893; 1894; 1895; 1896; 1897; 1899; 1900 | Image/StillImage | uaida_main |
| 2290 |  | Pictographs P.12 | Image | dha_cp | |
| 2291 |  | Pictographs P.13 | Image | dha_cp | |
| 2292 |  | Pikes Peak Crags, August 1963 [02] | 1963-08 | Image/StillImage | uum_map_usa |
| 2293 |  | Pikes Peak Crags, August 1963 [03] | 1963-08 | uum_map_usa | |
| 2294 |  | Pikes Peak Crags, August 1963 [04] | 1963-08 | uum_map_usa | |
| 2295 |  | Pikes Peak Crags, August 1963 [05] | 1963-08 | uum_map_usa | |
| 2296 |  | Pikes Peak Crags, August 1963 [07] | 1963-08 | uum_map_usa | |
| 2297 |  | Pikes Peak Crags, August 1963 [08] | 1963-08 | uum_map_usa | |
| 2298 |  | Pikes Peak Crags, August 1963 [09] | 1963-08 | uum_map_usa | |
| 2299 |  | Pikes Peak Crags, August 1963 [10] | 1963-08 | uum_map_usa | |
| 2300 |  | Pikes Peak Crags, August 1963 [11] | 1963-08 | uum_map_usa |