| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 476 |  | Avalanche debris from the Stone Crusher slide on the Corkscrew run with Alta Lodge in the background. | 1948 | Image | uum_map_usa |
| 477 |  | Avalanche equipment and education [01] | 1955 | uum_map_usa | |
| 478 |  | Avalanche equipment and education [02] | 1955 | uum_map_usa | |
| 479 |  | Avalanche equipment and education [04] | 1955 | uum_map_usa | |
| 480 |  | Avalanche equipment and education [06] | 1955 | uum_map_usa | |
| 481 |  | Avalanche expert Monty Atwater with 105mm recoilless rifle used for avalanche control | 1945; 1946; 1947; 1948; 1949; 1950 | Image | uum_map_usa |
| 482 |  | Avalanche lines drawn on a photo of Alta. | 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 |
| 483 |  | Avalanche lines drawn on a photo of Alta. | 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 |
| 484 |  | Avalanche 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 |
| 485 |  | Avalanche near Peruvian Lodge. | 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 |
| 486 |  | Avalanche off Alf's High Rustler at Alta. Photo by Alan Engen, circa 1950. | 1950; 1951; 1952; 1953; 1954; 1955 | uum_map_usa | |
| 487 |  | Avalanche on Devil's Castle. | 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999 | Image | uum_map_usa |
| 488 |  | Avalanche Research Center, Alta, Utah | 1964 | Image | uum_map_usa |
| 489 |  | Avalanche school role playing an avalanche rescue [1] | 1967-02 | Image | uum_map_usa |
| 490 |  | Avalanche school role playing an avalanche rescue [2] | 1967-02 | Image | uum_map_usa |
| 491 |  | Avalanche school role playing an avalanche rescue [3] | 1967-02 | Image | uum_map_usa |
| 492 |  | Avalanche school role playing an avalanche rescue [4] | 1967-02 | Image | uum_map_usa |
| 493 |  | Avalanche school role playing an avalanche rescue [5] | 1967-02 | Image | uum_map_usa |
| 494 |  | Avalanche school role playing an avalanche rescue [6] | 1967-02 | Image | uum_map_usa |
| 495 |  | Avalanche school role playing an avalanche rescue [7] | 1967-02 | Image | uum_map_usa |
| 496 |  | Avalanche school role playing an avalanche rescue [8] | 1967-02 | Image | uum_map_usa |
| 497 |  | Avalanche school role playing an avalanche rescue [9] | 1967-02 | Image | uum_map_usa |
| 498 |  | Avalanche that ended at Alta Lodge | 1969 | Image | uum_map_usa |
| 499 |  | Avalanche that ran off Mount Baldy clear to the top of the old Collins Lift at Alta. Photo by Alan Engen, 1950 | 1950; 1951; 1952; 1953; 1954; 1955 | uum_map_usa | |
| 500 |  | Avalanches on Grizzly, Hellgate and Superior | 1973-12-27; 1973-12-31 | Image | uum_map_usa |