U.S.A., South Dakota, Harding, Custer National Forest: South Cave Hills: in and around Timber Canyon, between Forest roads 3113 and 3137, ca 11.5 air mi N of Buffalo.
45.7479 -103.5604 NAD 83
45.7479° N, 103.5604° W; NAD 83, , GPS reading; T21N R5E S30 SW1/4