UNITED STATES
GEOLOGICAL SURVEY
(South Dakota)Wind Cave National Park
Boundary Monuments
The survey for the boundary of the Wind Cave National Park in the Black Hills of South Dakota was surveyed by William H. Thorn in 1906.
There were only 31 monuments set.
POST 25 POST 28 POST 30 In addition to those listed above, Boundary Posts No. 24, 29 and 31 were also searched for, but not found.