| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 751 |
 | Unidentified lava flows (cooled) [23] | 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 |
| 752 |
 | Unidentified lava flows (cooled) [24] | 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 |
| 753 |
 | Unidentified lava flows (cooled) [25] | 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 |
| 754 |
 | Unidentified lava flows (cooled) [26] | 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 |
| 755 |
 | Unidentified lava flows (cooled) [30] | 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 |
| 756 |
 | Unidentified lava flows (cooled) [33] | 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 |
| 757 |
 | Unidentified lava flows (cooled) [34] | 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 |
| 758 |
 | Unidentified Nevills Expedition trip, Idaho | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949 | Image/StillImage | uum_map_rr |
| 759 |
 | Unidentified Shoshone man and woman | Image/StillImage | uaida_main | |
| 760 |
 | Union Pacific Railroad - Locomotives P.79 | 1922 | Image | dha_cp |
| 761 |
 | Union Pacific Railroad -Employees P. 1 | Image | dha_cp | |
| 762 |
 | Union Pacific Railroad -Locomotives P. 33 | 1953 | Image | dha_cp |
| 763 |
 | Union Pacific Railroad -Locomotives P. 6 | 1945 | Image | dha_cp |
| 764 |
 | Union Pacific Railroad P. 95 | 1992-04-14 | Image | dha_cp |
| 765 |
 | Union Pacific Railroad Station-Rexburg P.1 | Image | dha_cp | |
| 766 |
 | Uriewici, a chief, Shoshone Tribe, 1880 | 1880 | Image/StillImage | uaida_main |
| 767 |
 | Utah & Northern Railroad p.1 | Image | dha_cp | |
| 768 |
 | Utah & Northern Railroad p.10 | 1885 | Image | dha_cp |
| 769 |
 | Utah & Northern Railroad p.15 | Image | dha_cp | |
| 770 |
 | Utah & Northern Railroad p.3 | Image | dha_cp | |
| 771 |
 | Utah & Northern Railroad p.4 | 1886 | Image | dha_cp |
| 772 |
 | Utah & Northern Railroad p.5 | 1886 | Image | dha_cp |
| 773 |
 | Utah & Northern Railroad p.6 | 1886 | Image | dha_cp |
| 774 |
 | Utah Power & Light P.46 | Image | dha_cp | |
| 775 |
 | Utah Power and Light Plant, Oneida | 1920; 1916; 1917; 1918; 1919; 1921; 1922; 1923; 1924 | Image | dha_scp |