Superior Coal Mines, Concrete Foundation, Horse Thief Canyon, South Superior, Sweetwater County, WY

Significance: Structure W is a concrete foundation. The foundation is located along the south slope of Horse Thief Draw approximately 1/3 mile northwest of Superior. The foundation is rectangular in shape with the long axis oriented from east to west. The overall dimensions are 42 feet 7 inches east to west by 24 feet 11 inches north to south. The foundation is divided into two rooms, a west room which is 24 feet 11 inches north to south by 9 feet 0 inches east to west. This room is 5 feet 5 inches deep to fill. The east room is larger, being 32 feet 3 inches east to west by 24 feet 11 inches north to south. This room is filled nearly to grade with earth. The east room has a short wing extending eastward from the east wall. This wing is 6 feet 9 inches east to west by 15 feet 1 inch north to south.
Survey number: HAER WY-51-W