U.S.A., Wyoming, Natrona, Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1/4-0.5 mi WNW of Big Sulfer Spring, ca 20 air mi NE of Powder River; ca 40 air mi NW of Casper.
43.2932 -106.8373
43.2932° N, 106.8373° W; T38N R83W S5 South1/4
1707-1762 meters
5600-5780 ft.
Along shaly, saline stream channel in the bottom of a narrow canyon.