U.S.A., South Dakota, Harding, Custer National Forest: Slim Buttes: in and around draws SE of junction of North Divide or Forest Road 3125 and Forest Road 3145 in the vicinity of Camp Spring, ca 4.5 air mi S of Reva Gap, ca 19 air mi ESE of Buffalo.
45.4671 -103.1853 NAD 83
45.4671° N, 103.1853° W; NAD 83, , GPS reading; T17N R8E S6