| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 2576 |  | UMNH:Mamm:5586 | 2022-02-18 | umnh_vz_voucher | |
| 2577 |  | UMNH:Mamm:5935 | 2022-02-18 | umnh_vz_voucher | |
| 2578 |  | UMNH:Mamm:6242 | 2022-04-18 | umnh_vz_voucher | |
| 2579 |  | 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 |
| 2580 |  | 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 |
| 2581 |  | 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 |
| 2582 |  | 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 |
| 2583 |  | 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 |
| 2584 |  | 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 |
| 2585 |  | 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 |
| 2586 |  | Unidentified Street Scene | 1910; 1911; 1912; 1913; 1914; 1915 | Image | dha_wehgn |
| 2587 |  | Union Depot, Denver, Colorado | 1883 | Image/StillImage | uum_map |
| 2588 |  | Union Pacific Railroad - Locomotives P.56 | 1956 | Image | dha_cp |
| 2589 |  | Union Pacific Railroad - Locomotives P.57 | 1956 | Image | dha_cp |
| 2590 |  | Union Pacific Railroad -Locomotives P. 13 | 1951 | Image | dha_cp |
| 2591 |  | Union Pacific Railroad -Locomotives P. 14 | 1951 | Image | dha_cp |
| 2592 |  | Union Pacific Railroad -Locomotives P. 15 | 1944-09-28 | Image | dha_cp |
| 2593 |  | Union Pacific Railroad -Locomotives P. 16 | 1944-09-28 | Image | dha_cp |
| 2594 |  | Union Pacific Railroad -Locomotives P. 19 | Image | dha_cp | |
| 2595 |  | Union Pacific Railroad -Locomotives P. 25 | Image | dha_cp | |
| 2596 |  | Union Pacific Railroad -Locomotives P. 26 | Image | dha_cp | |
| 2597 |  | Union Pacific Railroad -Locomotives P. 27 | Image | dha_cp | |
| 2598 |  | Union Pacific Railroad -Locomotives P. 28 | Image | dha_cp | |
| 2599 |  | Union Pacific Railroad -Locomotives P. 41 | Image | dha_cp | |
| 2600 |  | United States Department of the Interior Geological Survey, Dinosaur National Monument, Colorado - Utah, 1966 | 1966 | Image/StillImage | ucl_maps |