B. E. Nelson, Tim Chumley and Robbin Romberg
Verbatim Date: 1994-8-11
U.S.A., Wyoming, Platte, Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Richeau Creek between I-25 and Wyo Hwy 314, ca 3/4 air mi W to 1.5 air mi WSW of Slater; ca 14 air mi SSE of Wheatland.
41.864° N, 104.8377° W; T22N R67W S24 NW1/4; also NE1/4 S23
1530-1549 meters Verbatim Elevation: