| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 3251 |  | unidentified Anasazi ruin | 1937; 1938; 1939; 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; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980 | Image | uum_map_rr |
| 3252 |  | unidentified group | 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990 | Image | uum_map_rr |
| 3253 |  | Unidentified mining camp | 1880; 1881; 1882; 1883; 1884; 1885; 1886; 1887; 1888; 1889; 1890; 1891; 1892; 1893; 1894; 1895; 1896; 1897; 1898; 1899 | Image/StillImage | uum_map |
| 3254 |  | unidentified person | 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; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image | uum_map_rr |
| 3255 |  | unidentified persons on boats (unmounted) | 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 |
| 3256 |  | unidentified persons on boats (unmounted) | 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 |
| 3257 |  | Unidentified persons with boat, Hardoing Hole camp | 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 |
| 3258 |  | Unidentified Street Scene | 1910; 1911; 1912; 1913; 1914; 1915 | Image | dha_wehgn |
| 3259 |  | Union Depot, Denver, Colorado | 1883 | Image/StillImage | uum_map |
| 3260 |  | Union Pacific Railroad - Locomotives P.56 | 1956 | Image | dha_cp |
| 3261 |  | Union Pacific Railroad - Locomotives P.57 | 1956 | Image | dha_cp |
| 3262 |  | Union Pacific Railroad -Locomotives P. 13 | 1951 | Image | dha_cp |
| 3263 |  | Union Pacific Railroad -Locomotives P. 14 | 1951 | Image | dha_cp |
| 3264 |  | Union Pacific Railroad -Locomotives P. 15 | 1944-09-28 | Image | dha_cp |
| 3265 |  | Union Pacific Railroad -Locomotives P. 16 | 1944-09-28 | Image | dha_cp |
| 3266 |  | Union Pacific Railroad -Locomotives P. 19 | Image | dha_cp | |
| 3267 |  | Union Pacific Railroad -Locomotives P. 25 | Image | dha_cp | |
| 3268 |  | Union Pacific Railroad -Locomotives P. 26 | Image | dha_cp | |
| 3269 |  | Union Pacific Railroad -Locomotives P. 27 | Image | dha_cp | |
| 3270 |  | Union Pacific Railroad -Locomotives P. 28 | Image | dha_cp | |
| 3271 |  | Union Pacific Railroad -Locomotives P. 41 | Image | dha_cp | |
| 3272 |  | United State's Government Treaty with Ute Bands, 1868 | 1868 | Text | uaida_main |
| 3273 |  | United States Department of the Interior Geological Survey, Dinosaur National Monument, Colorado - Utah, 1966 | 1966 | Image/StillImage | ucl_maps |
| 3274 |  | United States Department of the Interior Geological Survey, Dinosaur National Monument, Colorado - Utah, 1971 | 1971 | Image/StillImage | ucl_maps |
| 3275 |  | The United States Record of Site-Specific Information Regarding The Uintah-Ouray Reservation: Findings of a Survey of National Archives, Smithsonian, and Library of Congress Collections | 1994-10 | Text | uaida_main |