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Potential Geologic Hazards Near The Thistle Landslide, Utah County, Utah, United States Geological Survey
Potential Geologic Hazards Near The Thistle Landslide, Utah County, Utah, United States Geological Survey
All U.S. Government Documents (Utah Regional Depository)
In mid-April, 1983, an old landslide near Thistle, Utah, began to move, and within days had blocked Spanish Fork Canyon. As the slide's movement continued, construction crews gradually converted the toe of the slide into an earth-filled dam--Thistle dam--that impounded northwest-flowing Spanish Fork River. The resultant reservoir, known as Thistle Lake, was subsequently drained because of uncertainty about the stability of the dam. Recently, officials of Utah County have explored various alternatives for a water-retention structure in the area, including utilization of Thistle dam. The Thistle Slide Committee, established by the State of Utah to evaluate the suitability of using …
Chemical Quality Of Ground Water In Salt Lake Valley, Utah, 1969-85, United States Geological Survey
Chemical Quality Of Ground Water In Salt Lake Valley, Utah, 1969-85, United States Geological Survey
All U.S. Government Documents (Utah Regional Depository)
During 1979-84, 35 wells completed in the principal aquifer in the Salt Lake Valley, Utah, that had been sampled during 1962-67 were resampled to determine if water-quality changes had occurred. The dissolved-solids concentration of the water from 13 of the wells has increased by more than 10 percent since 1962-67.