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Filters: Collection Name: "Environmental Geology in Utah" Collection: "uum_map"
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TitleCollection Number And NamePhoto Number
1 Photograph of a relief map using oblique illumination to highlight the topography. Note the steep slope along the east shore of Bear Lake. This slope marks the active Bear Lake Fault bounding the lake on the east. The lake sits in a graben, a downdropping block of earth.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n086
2 View across the north end of Bear Lake looking east at the truncated spurs, geomorphologic evidence of the Bear Lake Fault.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n087
3 Geologic map of Bear Lake showing the geologic hazards in the area. The active Bear Lake fault zone is outlined in yellow, and landslides in red. Hazardous areas must be given due consideration by planning authorities.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n097
4 Map of Bear Lake showing bottom contours of the lake and depth to bedrock beneath soft valley sediments. The delta-fan areas along the east shore are colored yellow to indicate another hazard. Response of the delta-fan soft sediments to earthquake vibrations is anticipated to be poor, almost certainly causing severe damage to structures built on these level areas. Different earth materials may be expected to behave differently when shaken in an earthquake. The closeness of the contours bounding the delta-fans indicates a steep front for each. Movement of material in an earthquake may be expected to occur towards these steep fronts.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n098
5 Ground subsidence leaves this fireplug supported above the sidewalk in downtown Salt Lake City.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n084
6 Breach of highway embankment on East Bench in Salt Lake City caused extensive damage to residential neighborhood downslope.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n006
7 Multistory apartment house sitting astride the East Bench Fault of the Wasatch Fault Zone in Salt Lake City.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n092
8 Damage to a house in Salt Lake City results from an unsatisfactory foundation. Note in particular the dropping of the arch over the doorway.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n079
9 Failure of undisturbed hillside bordering on Bear Lake (to left just off edge of road and photo). This hillside is particularly valuable as view property for resort development, yet is failing without any terrain modification by man.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n048
10 Landslide along a scarp of the East Bench Fault in Salt Lake City. No earth tremor is known to have triggered this slide, but an earthquake could trigger similar slides, given similar geologic conditions.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n099
11 Branch of the Wasatch Fault exposed in utility trench excavation in Salt Lake City. Hammer and field book are at the same stratigraphic horizon, indicating a displacement of 2 1/2 feet in late mudflow deposits, just below the ground surface.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n096
12 Closer view of slide cracks in high fill in Salt Lake City subdivision. Note housing density downslope.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n061
13 Mud-flow debris cleared from residence after storm on Salt Lake City's East Bench.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n019
14 Slide of fill material in high, steep fill slope on Salt Lake City's North Bench.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n060
15 Cloudburst flood caused erosion of the North Bench in Salt Lake City. Eroded channel begins where paved street ends.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n005
16 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
17 Damage to the Salt Lake City Cemetery from a flood channeled in Perry's Hollow, a normally dry drainage course.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n009
18 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
19 Big Cottonwood Creek flooding in Salt Lake City. Numerous houses along its banks were flooded in 1952.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n002
20 Groundwater, boiling up sand, at depth of a few feet in Sugarhouse, Salt Lake City, revealed by foundation excavation. Water probably arises along East Bench branch of the Wasatch Fault.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n065
21 Areas of carbonate rock (limestone) outcrops (in blue) in the vicinity of Bear Lake, Utah. Rocks range in age from Cambrian to Jurassic. Development on the outcrop area should be closely monitored to protect the underlying potable water aquifer.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n069
22 Bear Lake area map showing: (1) point of issue of Swan Creek Spring, (2) possible contributory sink holes (in red) in the Bear River Range, (3) precipitation (rain and snow) measuring stations (in bluelined blocks).P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n068
23 Damage to a major edifice in Salt Lake City resulted from differential settling of the two portions of the building. Arrow points to zone of distress which extends to foundation level. Note that window frames are askew.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n083
24 Fault trace of the active Wasatch Fault across a glacial moraine at the mouth of Little Cottonwood Canyon in Salt Lake County. Note that the fault scarplet is virtually unvegetated, indicative of its recency.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n088
25 Portion of the East Bench along the mountain front in Salt Lake County. It has been dissected by strands of the Wasatch Fault. Since this photo was taken a housing development has been built on this terrain.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n091
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