| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 476 |
 | Dave and Lee jousting at Shank's Meadow Yampa River, 1958 [02] | 1958 | Image/StillImage | uum_map_rr |
| 477 |
 | David O. McKay diary, June 1907 to March 1908 | 1907; 1908 | Text | uum_domp |
| 478 |
 | Davis (School Insp?) to Commissioner of Indian Affairs. Dated March 2, 1887 | 1887-03-02 | Text | uaida_main |
| 479 |
 | Denis Julien inscription, Whirlpool Canyon | 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 |
| 480 |
 | Denver & Rio Grande Circular | 1907-06-07 | Text | uaida_main |
| 481 |
 | Denver & Rio Grande Western RR-Construction P.3 | 1927 | Image | dha_cp |
| 482 |
 | Denver & Rio Grande Western RR-Locomotives P.13 | 1963-04-06 | Image | dha_cp |
| 483 |
 | Denver & Rio Grande Western RR-Locomotives P.14 | 1958-07-28 | Image | dha_cp |
| 484 |
 | Denver and Rio Grande Western R.R. P.10 | 1910 | Image/StillImage | dha_cp |
| 485 |
 | Denver and Rio Grande Western R.R. P.12 | 1958 | Image/StillImage | dha_cp |
| 486 |
 | Denver and Rio Grande Western R.R. P.13 | 1958 | Image/StillImage | dha_cp |
| 487 |
 | Denver and Rio Grande Western R.R. P.14 | 1958 | Image/StillImage | dha_cp |
| 488 |
 | Denver and Rio Grande Western R.R. P.15 | 1954 | Image/StillImage | dha_cp |
| 489 |
 | Denver and Rio Grande Western R.R. P.17 | 1951 | Image/StillImage | dha_cp |
| 490 |
 | Denver and Rio Grande Western R.R. P.28 | 1928-05 | Image/StillImage | dha_cp |
| 491 |
 | Denver and Rio Grande Western R.R. P.34 | 1930 | Image/StillImage | dha_cp |
| 492 |
 | Denver and Rio Grande Western R.R. P.38 | 1920; 1921; 1922; 1923; 1924; 1925; 1926; 1927; 1928; 1929; 1930 | Image/StillImage | dha_cp |
| 493 |
 | Denver and Rio Grande Western R.R. P.4 | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970 | Image/StillImage | dha_cp |
| 494 |
 | Denver and Rio Grande Western R.R. P.50 | 1930; 1931; 1932; 1933; 1934 | Image/StillImage | dha_cp |
| 495 |
 | Denver and Rio Grande Western R.R. P.55 | 1967 | Image/StillImage | dha_cp |
| 496 |
 | Denver and Rio Grande Western R.R. P.56 | 1920; 1921; 1922; 1923; 1924; 1925; 1926; 1927; 1928; 1929; 1930 | Image/StillImage | dha_cp |
| 497 |
 | Denver and Rio Grande Western R.R. P.6 | 1957 | Image/StillImage | dha_cp |
| 498 |
 | Denver and Rio Grande Western R.R. P.8 | 1955 | Image/StillImage | dha_cp |
| 499 |
 | Denver and Rio Grande Western R.R. P.9 | 1955 | Image/StillImage | dha_cp |
| 500 |
 | Denver and Rio Grande Western Railroad P.140 | 1961-02 | Image/StillImage | dha_cp |