| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 3901 |  | Avalanche monitoring equipment | 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 |
| 3902 |  | Avalanche monitoring equipment | 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 |
| 3903 |  | Avalanche monitoring equipment | 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 |
| 3904 |  | Avalanche monitoring equipment | 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 |
| 3905 |  | Avalanche monitoring equipment | 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 |
| 3906 |  | Avalanche occuring on Mt. Superior. | 1966-02 | Image | uum_map_usa |
| 3907 |  | Avalanche occuring on Mt. Superior. | 1966-02 | Image | uum_map_usa |
| 3908 |  | Avalanche occuring on Mt. Superior. | 1966-02 | Image | uum_map_usa |
| 3909 |  | Avalanche projectile ramp test. | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image | uum_map_usa |
| 3910 |  | Avalanche projectile ramp test. | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image | uum_map_usa |
| 3911 |  | Avalanche projectile ramp test. | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image | uum_map_usa |
| 3912 |  | Avalanche projectile ramp test. | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image | uum_map_usa |
| 3913 |  | Avalanche projectile ramp test. | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image | uum_map_usa |
| 3914 |  | Avalanche school in parking lot. | 1969 | Image | uum_map_usa |
| 3915 |  | Avalanche school on ridge line | 1969 | Image | uum_map_usa |
| 3916 |  | Avalanche school on ridge line | 1969 | Image | uum_map_usa |
| 3917 |  | Avalanche school participants back-country skiing. | 1969 | Image | uum_map_usa |
| 3918 |  | Avalanche school participants back-country skiing. | 1969 | Image | uum_map_usa |
| 3919 |  | Avalanche school participants learning avalanche search and rescue. | 1959 | Image | uum_map_usa |
| 3920 |  | Avalanche school participants learning avalanche search and rescue. | 1959 | Image | uum_map_usa |
| 3921 |  | Avalanche school participants learning avalanche search and rescue. | 1939 | Image | uum_map_usa |
| 3922 |  | 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 |
| 3923 |  | 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 |
| 3924 |  | Avalanche slide debris | 1948 | Image | uum_map_usa |
| 3925 |  | 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 |