U.S.A., South Dakota, Harding, Custer National Forest: North Cave Hills: Browns Pond and vicinity on Campbell Creek, ca 6.5 air mi WSW of Ludlow; ca 15 air mi N of Buffalo.
45.7949 -103.4983 NAD 83
45.7949° N, 103.4983° W; NAD 83, , GPS reading; T21N R5E S10 SW1/4