There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 1583 | J. Alroy | USGS D1958 (= Pierre Shale (USGS D1958)) Maastrichtian - Cretaceous 8 - Wyoming | Gill et al. (1966) |
| 1586 | J. Alroy | USGS D1982. Redbird (= Pierre Shale (USGS D1982, D1983, D1984)) Early Maastrichtian - Cretaceous 8 - Wyoming | Gill et al. (1966) |