U.S.A., Montana, Sweet Grass, Absaroka Range: Gallatin National Forest: Chippy Park and vicinity along Boulder River, ca 2.5 air mi W of Chrome Mountain, ca 29.5 air mi SSW of Big Timber.
45.4369 -110.1896 NAD 83
45.4369° N, 110.1896° W; NAD 83, , GPS Reading; T4S R12E S36 South1/4; also T5S R12E N1/4 S1