| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 2426 |
 | Avalanche school on ridge line | 1969 | Image | uum_map_usa |
| 2427 |
 | Avalanche school participants back-country skiing. | 1969 | Image | uum_map_usa |
| 2428 |
 | Avalanche school participants back-country skiing. | 1969 | Image | uum_map_usa |
| 2429 |
 | Avalanche school participants learning avalanche search and rescue. | 1959 | Image | uum_map_usa |
| 2430 |
 | Avalanche school participants learning avalanche search and rescue. | 1959 | Image | uum_map_usa |
| 2431 |
 | Avalanche school participants learning avalanche search and rescue. | 1939 | Image | uum_map_usa |
| 2432 |
 | Avalanche slide debris | 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 | Image | uum_map_usa |
| 2433 |
 | Avalanche slide debris | 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 | Image | uum_map_usa |
| 2434 |
 | Avalanche slide debris | 1948 | Image | uum_map_usa |
| 2435 |
 | Avalanche tower and map | 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 | Image | uum_map_usa |
| 2436 |
 | Avelan Apartments | 1987-12-31 | Text | dha_unrnf |
| 2437 |
 | Avenues Historic District | 1980-08-27 | Text | dha_unrnf |
| 2438 |
 | Avenues Historic District (amended) | 2013-08-27 | Text | dha_unrnf |
| 2439 |
 | Aviation Meet | 1911-04-06 | Image | dha_scp |
| 2440 |
 | Aviation Meet | 1911-04-06 | Image | dha_scp |
| 2441 |
 | Aviation Meet | 1911-04-06 | Image | dha_scp |
| 2442 |
 | Aviation Meet | 1911-04-06 | Image | dha_scp |
| 2443 |
 | Avon Apartments | 1987-12-31 | Text | dha_unrnf |
| 2444 |
 | Awaiting the arrival of the Olympic Torch, January, 2002 | 2002-01 | Image | mc_mcm |
| 2445 |
 | Azlate-French map | 1768; 2000; 2001; 2002; 2003; 2004 | Image/StillImage | dha_latino |
| 2446 |
 | B and G | 1912-03-21 | Image | dha_scp |
| 2447 |
 | B and G | 1912-03-21 | Image | dha_scp |
| 2448 |
 | B and G | 1912-03-21 | Image | dha_scp |
| 2449 |
 | B and G | 1912-03-21 | Image | dha_scp |
| 2450 |
 | B and G | 1912-03-21 | Image | dha_scp |