101 - 125 of 269
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TitleDateType
101 Firing of a 105mm recoilless rifle by the U.S. Forest Service. The photograph is blurred due to the concussion.1956Image
102 Forest Service and Military personnel studying the 75mm recoilless rifle.1966-02Image
103 Forest Service and Military personnel studying the 75mm recoilless rifle.1966-02Image
104 Forest Service and Military personnel studying the 75mm recoilless rifle.1966-02Image
105 Forest Service and Military studying 75 mm sites.1966-02Image
106 Forest Service rope top and gun tower looking northeast from the parking area.1964-06Image
107 Forest Service Supervisor, F.C. Koziol, and area owner, Zane Doyle, examining 75mm recoilless rifle casing used in avalanche control work.1963Image
108 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
109 Fracture line of major slab type in Peruvian Gulch, Little Cottonwood Canyon.1948Image
110 Fracture line on lower Mt. Baldy shoulder1955Image
111 Fracture line on Mt. Baldy shoulder1955Image
112 Fracture line on Mt. Baldy shoulder1950; 1951; 1952; 1953; 1954; 1955Image
113 Fracture line on Mt. Baldy shoulder1948Image
114 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
115 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
116 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
117 Gropel type snow which provided the sliding base for an avalanche.1968Image
118 Group discussion at Avalanche School1959Image
119 Group discussion at Avalanche School1959Image
120 Group snapshot of the Avalanche School participants1959Image
121 Group snapshot of the Avalanche School participants.1959Image
122 High Rustler slide path in Alta1961Image
123 Interior of a building hit by an avalanche.1964Image
124 Interior of a building hit by an avalanche.1964Image
125 Interior of a building hit by an avalanche.1964Image
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