Prehistoric cultural affiliation(s) include Archaic, Paleo-Indian, Late Pre-Historic, Late Prehistoric, Middle Archaic, Late Archaic and Shoshone dating back to 10999 BC.
Several famous people are associated with these Sweetwater County historic places including Maj. John Wesley Powell and Elinore Pruitt Stewart.
Some of the country's most noteable architects helped create the Sweetwater County places including Allen & Garcia, Walter J. Cooper, Clyde Stewart, Colorado Bridge & Const. Co., Charles G. Sheely, D.D. Spanni, Martin Didicus Kern, Hugo Gaensslen, Union Pacific Coal Co. and Maginnis and Walsh. Prominent architectural styles found in Sweetwater Country are Bungalow/Craftsman, Romanesque and Classical Revival.