Title | Date | Type | ||
---|---|---|---|---|
51 |
![]() | 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 |
52 |
![]() | 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 |
53 |
![]() | 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 |
54 |
![]() | 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 |
55 |
![]() | 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 |
56 |
![]() | 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 |
57 |
![]() | 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 |
58 |
![]() | Avalanche occuring on Mt. Superior. | 1966-02 | Image |
59 |
![]() | Avalanche occuring on Mt. Superior. | 1966-02 | Image |
60 |
![]() | Avalanche occuring on Mt. Superior. | 1966-02 | Image |
61 |
![]() | Avalanche projectile ramp test. | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image |
62 |
![]() | Avalanche projectile ramp test. | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image |
63 |
![]() | Avalanche projectile ramp test. | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image |
64 |
![]() | Avalanche projectile ramp test. | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image |
65 |
![]() | Avalanche projectile ramp test. | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989 | Image |
66 |
![]() | Avalanche Research Center, Alta, Utah | 1964 | Image |
67 |
![]() | Avalanche school in parking lot. | 1969 | Image |
68 |
![]() | Avalanche school on ridge line | 1969 | Image |
69 |
![]() | Avalanche school on ridge line | 1969 | Image |
70 |
![]() | Avalanche school participants back-country skiing. | 1969 | Image |
71 |
![]() | Avalanche school participants back-country skiing. | 1969 | Image |
72 |
![]() | Avalanche school participants learning avalanche search and rescue. | 1959 | Image |
73 |
![]() | Avalanche school participants learning avalanche search and rescue. | 1959 | Image |
74 |
![]() | Avalanche school participants learning avalanche search and rescue. | 1939 | Image |
75 |
![]() | Avalanche school role playing an avalanche rescue [1] | 1967-02 | Image |