Title | Date | Type | ||
---|---|---|---|---|
126 | Forest Service and Military personnel studying the 75mm recoilless rifle. | 1966-02 | Image | |
127 | Forest Service and Military personnel studying the 75mm recoilless rifle. | 1966-02 | Image | |
128 | Forest Service and Military studying 75 mm sites. | 1966-02 | Image | |
129 | Forest Service rope top and gun tower looking northeast from the parking area. | 1964-06 | Image | |
130 | Forest Service Supervisor, F.C. Koziol, and area owner, Zane Doyle, examining 75mm recoilless rifle casing used in avalanche control work. | 1963 | Image | |
131 | 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; 1969 | Image | |
132 | Fracture line on lower Mt. Baldy shoulder | 1955 | Image | |
133 | Fracture line on Mt. Baldy shoulder | 1955 | Image | |
134 | Fracture line on Mt. Baldy shoulder | 1950; 1951; 1952; 1953; 1954; 1955 | Image | |
135 | Fracture line on Mt. Baldy shoulder | 1948 | Image | |
136 | 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; 1969 | Image | |
137 | 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; 1969 | Image | |
138 | 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; 1969 | Image | |
139 | Gropel type snow which provided the sliding base for an avalanche. | 1968 | Image | |
140 | Group discussion at Avalanche School | 1959 | Image | |
141 | Group discussion at Avalanche School | 1959 | Image | |
142 | Group snapshot of the Avalanche School participants | 1959 | Image | |
143 | Group snapshot of the Avalanche School participants. | 1959 | Image | |
144 | Interior of a building hit by an avalanche. | 1964 | Image | |
145 | Interior of a building hit by an avalanche. | 1964 | Image | |
146 | Interior of a building hit by an avalanche. | 1964 | Image | |
147 | Interior of a building hit by an avalanche. | 1964 | Image | |
148 | Keith Langson of the National Ski Patrol pointing to a deposit area in the canyon below. | 1968 | Image | |
149 | Large artillery piece used in avalanche control. | 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 | |
150 | Large artillery piece used in avalanche control. | 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 |