The circumstances here probably make a utility trench cave-in inevitable. A perched water table is sapping fine sand from underneath a thick silt bed, leaving the latter unsupported. Failure will be too rapid for escape of a workman who may be in the trench at the wrong moment.

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Title The circumstances here probably make a utility trench cave-in inevitable. A perched water table is sapping fine sand from underneath a thick silt bed, leaving the latter unsupported. Failure will be too rapid for escape of a workman who may be in the trench at the wrong moment.
Photo Number p1274n082
Keywords Disasters; Natural disasters
Spatial Coverage Utah
Collection Number and Name P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collection
Collection Name Environmental Geology in Utah
Holding Institution Multimedia Archives, Special Collections, J. Willard Marriott Library, University of Utah
Rights
Type Image
ARK ark:/87278/s6zg7gz1
Setname uum_map
ID 977005
Reference URL https://collections.lib.utah.edu/ark:/87278/s6zg7gz1
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