There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 40090 | P. Wilf | USGS locality 1502 Black Buttes, WY, upper Fort Union Fm Paleocene - Cenozoic 1 - Wyoming | Brown (1962) |
| 40535 | P. Wilf | USGS locality 4369, north side of Separation Creek, WY, upper Fort Union Fm Paleocene - Cenozoic 1 - Wyoming | Brown (1962) |
| 57936 | P. Wilf | USGS locality 6084, 20 mi above Hampshire on Black Thunder Creek, Fort Union Fm Paleocene - Cenozoic 1 - Wyoming | Brown (1962) |
| 57990 | P. Wilf | USGS locality 8678, Same as USGS locality 8677, but in beds 250 feet lower Paleocene - Cenozoic 1 - Wyoming | Brown (1962) |