This image shows an elevated view of Stockade Lake, one of several lakes in Custer State Park. It is located in the Black Hills area of South Dakota.

The caption on the back states:
STOCKADE LAKE
Of the many lakes in the Black Hills, Stockade Lake is the largest. Located in Custer State Park, it is viewed from the highway, which passes the south and east sides. In Custer State Park, and area of 128,000 acres, are buffalo, elk, deer, big-horn sheep, antelope, and Rocky Mountain goats.

–The more accurate term for the animal commonly called buffalo is bison.

This image likely dates from the 1950s.