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
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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