Archeological Site No. 39CO39

Address Restricted, Mahto, South Dakota. County/parish: Corson.

Added to the National Register of Historic Places August 06, 1993. NRIS 93000765.

Part of Prehistoric Rock Art of South Dakota MPS (NRIS 64500583).

1 contributing building.

Also known as:

• Brushhorn Butte
• Ghost Butte
• Haunted Butte