Historical Marker
Blockhouse and Breastworks
Historical marker location:
11907 434th Ave, Eden, South Dakota
( Memorial can be reached from 434th Avenue (County Road 5), on the right when traveling south.)
Beginning Construction 1864.
The Black Hills of South Dakota are considered sacred by many Native American tribes, and were the subject of a long-standing land dispute between the U.S. government and the Sioux Nation.