Prehistoric cultural affiliation(s) include Native American, Calaooia and Et.Al. dating back to 1499 BC.
Many famous people are associated with these Clark County historic places including Sisters of Providence, Ulysses S. Grant, Lowell M. Hidden, Columbia Lancaster, Erwin Charles Pomeroy and Silas Maxon.
Some of the country's most noteable architects helped create the Clark County places including Hudson's Bay Co., Richard Covington, Mother of the Sacred Heart Joseph, Hirsh & Watson Helfensteller, Oliver Hidden, Donald McKay, Mother Joseph McKay, Elliote & Hummel Tourt, A.E. Davis and Gilpin Construction Co.. Prominent architectural styles found in Clark Country are Classical Revival, Queen Anne and Bungalow/Craftsman.