Illingworth no. 836 "Golden Valley Gulch". Located approx. 2 miles east of Custer, SD off Hwy. 16. Turn north on America Center Road, look for prominent rock on right next to the road after your turn. This is the rock in the middle of the 1874 photo. 1874 photo from Minnilusa Pioneer Museum Collection. 2000 photo ©Paul Horsted/Dakota Photographic LLC. Go to the next photograph.