Keystone, South Dakota Historical Society

The Keystone Historical Society museum is in the Keystone School building, where Carrie's step-children attended. Built in 1899, the school served as Keystone's full-time school until 1988.

Every August 3 is Carrie Ingalls Day. An open house and birthday cake are a part of the celebration. There is no admission charge, but donations are appreciated.

Hours:
June through August
10:00 am to 3:00 pm

For more information, please write, with a SASE, to:
Keystone Area Historical Society
P.O. Box 177
Keystone, SD 57751-0177
(605)666-4494