| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 576 |
 | 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 |
| 577 |
 | 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 |
| 578 |
 | 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 |
| 579 |
 | Unidentified Shoshone man and woman | Image/StillImage | uaida_main | |
| 580 |
 | Union Pacific Railroad - Locomotives P.79 | 1922 | Image | dha_cp |
| 581 |
 | Union Pacific Railroad -Employees P. 1 | Image | dha_cp | |
| 582 |
 | Union Pacific Railroad -Locomotives P. 33 | 1953 | Image | dha_cp |
| 583 |
 | Union Pacific Railroad -Locomotives P. 6 | 1945 | Image | dha_cp |
| 584 |
 | Union Pacific Railroad P. 95 | 1992-04-14 | Image | dha_cp |
| 585 |
 | Union Pacific Railroad Station-Rexburg P.1 | Image | dha_cp | |
| 586 |
 | Uriewici, a chief, Shoshone Tribe, 1880 | 1880 | Image/StillImage | uaida_main |
| 587 |
 | Utah & Northern Railroad p.1 | Image | dha_cp | |
| 588 |
 | Utah & Northern Railroad p.10 | 1885 | Image | dha_cp |
| 589 |
 | Utah & Northern Railroad p.15 | Image | dha_cp | |
| 590 |
 | Utah & Northern Railroad p.3 | Image | dha_cp | |
| 591 |
 | Utah & Northern Railroad p.4 | 1886 | Image | dha_cp |
| 592 |
 | Utah & Northern Railroad p.5 | 1886 | Image | dha_cp |
| 593 |
 | Utah & Northern Railroad p.6 | 1886 | Image | dha_cp |
| 594 |
 | Utah Power & Light P.46 | Image | dha_cp | |
| 595 |
 | Utah Power and Light Plant, Oneida | 1920; 1916; 1917; 1918; 1919; 1921; 1922; 1923; 1924 | Image | dha_scp |
| 596 |
 | Utah Power and Light transmission line connecting to Northwest Power Pool | 1945 | Image | uum_map |
| 597 |
 | Utah Power and Light, Oneida Plant | 1910; 1906; 1907; 1908; 1909; 1911; 1912; 1913; 1914 | Image | dha_scp |
| 598 |
 | Utah State Bar Convention 2002 | 2002 | Image/StillImage | uu_law_clp |
| 599 |
 | Utah State Bar Convention 2002 | 2002 | Image/StillImage | uu_law_clp |
| 600 |
 | Utah State Bar Convention 2002 | 2002 | Image/StillImage | uu_law_clp |