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Number of results to display per page
TitleDateType
26 Forest Service and Military studying 75 mm sites.1966-02Image
27 Forest Service rope top and gun tower looking northeast from the parking area.1964-06Image
28 Forest Service Supervisor, F.C. Koziol, and area owner, Zane Doyle, examining 75mm recoilless rifle casing used in avalanche control work.1963Image
29 Fracture line at snow defense structure.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; 1969Image
30 Fracture line on lower Mt. Baldy shoulder1955Image
31 Fracture line on Mt. Baldy shoulder1955Image
32 Fracture line on Mt. Baldy shoulder1950; 1951; 1952; 1953; 1954; 1955Image
33 Fracture line on Mt. Baldy shoulder1948Image
34 Fracture line running through snow defense structures.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; 1969Image
35 Fracture line running through snow defense structures.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; 1969Image
36 Fracture line running through snow defense structures.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; 1969Image
37 Gropel type snow which provided the sliding base for an avalanche.1968Image
38 Group discussion at Avalanche School1959Image
39 Group discussion at Avalanche School1959Image
40 Group snapshot of the Avalanche School participants1959Image
41 Group snapshot of the Avalanche School participants.1959Image
42 Recovery of a "body" from avalanche 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; 1969Image
43 Remains of an avalanche1964Image
44 Remains of an avalanche1964Image
45 Remains of an avalanche1964Image
46 Remains of an avalanche1964Image
47 Remains of an avalanche1964Image
48 Rigging charges for cornice control while on belay.1948Image
49 Comparison of an avalancher and 75 mm round artillery.1979-04Image
50 Comparison of an avalancher and 75 mm round artillery.1979-04Image
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