Alta Mill Site Published May 2, 2017 at 3851 × 1128 in Short Stories of Harvey County, Kansas – A Series of Pictorial Histories – Unit 1 of 8 ← Previous Next → In Harvey County, there is evidence of a large Quivira/Wichita village in Alta Township at the convergence of Turkey Creek and the Little Arkansas River. The location is known as “the Alta Mill Site.”