Title | Date | Type | ||
---|---|---|---|---|
326 | Taking snow out of tube to weigh for moisture content. | 1955-01 | Image | |
327 | Terminus of the Argenta avalanche slide. | 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 | |
328 | Testing snow penetration using a penetrometer at Alta. Foreground, Dick Stillman of Berthoud Pass, Co. | 1955-01 | Image | |
329 | Trucks parked on a ski run during the summer months. | 1970 | Image | |
330 | U.S. Army -- Dugway Proving Grounds -- coop with the Wasatch National Forest Service in testing the 4-2 mortar. | 1966-03 | Image | |
331 | U.S. Army -- Dugway Proving Grounds -- coop with the Wasatch National Forest Service in testing the 4-2 mortar. | 1966-03 | Image | |
332 | U.S. Army -- Dugway Proving Grounds -- coop with the Wasatch National Forest Service in testing the 4-2 mortar. | 1966-03 | Image | |
333 | U.S. Army -- Dugway Proving Grounds -- coop with the Wasatch National Forest Service in testing the 4-2 mortar. | 1966-03 | Image | |
334 | U.S. Army -- Dugway Proving Grounds -- coop with the Wasatch National Forest Service in testing the 4-2 mortar. | 1966-03 | Image | |
335 | U.S. Army -- Dugway Proving Grounds -- coop with the Wasatch National Forest Service in testing the 4-2 mortar. | 1966-03 | Image | |
336 | U.S. Army and U.S. Forest Service cooperate in testing the 75mm recoilless rifle used in avalanche control. | 1963 | Image | |
337 | U.S. Army and U.S. Forest Service employees gathered around the 105mm recoilless rifle. | 1956 | Image | |
338 | Unidentified avalanche | 1939 | Image | |
339 | Vehicle hit by an avalanche | 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979 | Image | |
340 | Vehicles hit by an avalanche | 1964 | Image | |
341 | Vehicles hit by an avalanche | 1964 | Image | |
342 | Vehicles hit by an avalanche | 1964 | Image | |
343 | View of cornice fencing during the spring/summer. | 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 | |
344 | View of cornice fencing during the spring/summer. | 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 | |
345 | View of cornice fencing during the spring/summer. | 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 | |
346 | View of cornice fencing during the spring/summer. | 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 | |
347 | View of Sunnyside lift in Alta during the summer. | 1970 | Image | |
348 | Weather chart | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959 | Image | |
349 | Weather chart | 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 | |
350 | Weather chart. | 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 |