Photo Archives
 
Filters: Collection Name: "Environmental Geology in Utah" Type: "Image" Collection: "uum_map" Spatial Coverage: "Utah"
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TitleCollection Number And NamePhoto Number
1 Reservoir slopes failing just upstream from dam. A failure overtopping the road would cause turbidity in the drinking water for a large city since the intake is directly downstream and in line with the current.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n033
2 Rock-debris flow from source onto road in foreground.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n016
3 Same view showing notch in cut slope, the result of a failure onto the road soon after opening to traffic (p1274n030). Landsliding is predictable.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n031
4 Steep, high, artificial fill slopes in or near the Wasatch Fault Zone. Downslope from these fills lie dense residential developments. Atop these fills are residences. How may these earth materials be expected to react to seismic vibrations?P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n100
5 Surficial or shallow ground water is subject to pollution from buried solid wastes. Leaching of the wastes can occur in time. This excavation is for a land fill operation where ground water was encountered at a depth of less than 6 feet.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n072
6 Swelling of clay soil as it takes on additional moisture heaved up this garage floor and cracked it.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n075
7 These twin tanks deverge from bottom to top. Differential settling of their foundations caused this.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n078
8 This water storage reservoir has failed; it was placed improperly upon a stratum of gypsum (white layers in photo) which partially dissolved.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n076
9 Undisturbed hillside failing because of lateral and vertical erosion by creek. Debris is continuously removed from toe of sliding hillside by the creek.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n064
10 View along the highway traffic lanes and the dam abutment at the newly created cut slope.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n030
11 Dropping of street which crossed old landslide failure plane. Note break in slope towards distance in line with fresh scarplet across street. Utility pole is seated along the slide plane.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n047
12 Erosion of a hillside fill- more than 2 feet from a single cloudburst. Sediment is deposited at foot of slope in neighbor's back yard.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n010
13 Erosion of fill placed from home construction. Deposition of material in foreground gives braided stream appearance.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n011
14 Excavation for a covered distribution reservoir is pointed out in the photo. Note that drainages have been truncated. Reservoir is in an urban area with considerable development downslope. Geologic materials comprising the site are unstable. Geologic faults are mapped bounding the site, and springs issue from excavation walls and floor.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n035
15 Expensive new house being constructed on banks of perennial stream which is subject to flood each spring and throughout the summer. Should not a form of flood plain zoning be in effect?P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n021
16 Exposure of a branch of the Wasatch Fault in a sand and gravel pit along the mountain front. Amount of displacement is indeterminable from the stratigraphy exposed. Note that the fault is planar and stands out with relative resistance to the elements despite lack of cementation of the sand and gravel.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n090
17 Failure of front yard before completion of home construction in mountain subdivision.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n050
18 Failure of ground bordering on a covered distribution reservoir. Hammer provides scale on displacement scarp.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n036
19 Front end view of the slide (p1274n030).P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n032
20 Hillside subdivision in landslide terrain. Terrain in background has slid in the past. Instrument for measuring ground displacement is housed in box in foreground. White rain gage sits atop instrument housing.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n063
21 A reservoir showing the earth-fill dam and a landslide block separated from the abutment in the foreground. Opposite abutment is an ancient landslide.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n024
22 Crack down the highway centerline, showing displacement. U.S. 6 near Colton.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n040
23 Crack in soil alongside reservoir, showing subsidence. Reservoir was the only water storage facility serving several thousand people.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n077
24 Arrow points to incipient failure of an excavation wall for a foundation for a multistory office building. Material is horizontally stratified Lake Bonneville silts and sands.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n080
25 Blasting for an interstate highway in the immediate vicinity of a dam. Concrete railing of dam appears in lower right corner. Vibrations, whether natural (earthquake) or manmade, may damage structures on sensitive foundations.P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collectionp1274n034
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