Photo Archives
 
Filters: Collection Name: "Environmental Geology in Utah" Collection: "uum_map" Year Start: 1953
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TitleCollection Number And NamePhoto Number
1 September 1970 flooding, by widespread cloudburst, of the San Juan River, seen here to occupy most of its floodplain. Bridge is only link to civilization for approximately 1,000 Navajo Indians. Note that only the left one-third of bridge has escaped attack by rising flood waters (other two-thirds appear muddy). Oblique aerial view. Most of Utah is subject to cloudburst flooding from April to September. Cloudbursts are of short duration and high intensity.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n004
2 Pavement of Big Cottonwood Canyon Road, east of Salt Lake City, torn up by cloudburst flood in August 1969.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n007
3 Damage to newly laid curb and gutter on Salt Lake City's East Bench, resulting from August 1969 cloudburst.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n008
4 Upstream from the monument was this scene in May 1969. Broken tree trunks and picnic table (beneath feet of observer in photo) recently re-exposed from under 8 feet of debris.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n013
5 Mud-rock flow from upper steep-walled tributary canyon into Echo Canyon (Summit County) and over Interstate 80. Note that one lane of traffic has been cleared of debris. Aerial photo July 1968.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n018
6 Rockfall, American Fork Canyon, February 1970. Observer stands on one of the boulders of rockfall looking across at debris fan which was washed down when aquaduct was struck and severed on the mountain side. Note height at which tree in foreground was broken off by boulder.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n037
7 Hebgen Fault scarp near Cabin Creek, aftermath of the 1959 Montana earthquake. Note tilt of trees and the recovery of vegetation over the scarp in only 11 years (photo taken August 1970).P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n089
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