1983 MISSION12 (1983 Utah Landslides: San Pitch Mountains, Southern Wasatch Range, Thistle LS)
The 1983 MISSION12 (1983 Utah Landslides [San Pitch Mountains, Southern Wasatch Range, and Thistle Landslide Area]) oblique, color aerial project was acquired by the Utah Geological and Mineral Survey (UGMS), now the Utah Geological Survey (UGS).