There are 9 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 17472 | J. Alroy | Big Muddy Creek (= Big Muddy River; Castle Butte; Spanish Diggings; Spanish Mines) Arikareean - Cenozoic 4-5 - Wyoming | Wahlert (1983) |
| 17667 | J. Alroy | Sixty Six Mountain (Upper) (= 66 Mountain) Arikareean - Cenozoic 4-5 - Wyoming | Schlaikjer (1935) |
| 17788 | J. Alroy | Guernsey (= Roll Quarry) Harrisonian - Cenozoic 4-5 - Wyoming | Wahlert and Souza (1988) |
| 17793 | J. Alroy | Jay Em Harrisonian - Cenozoic 4-5 - Wyoming | Wahlert and Souza (1988) |
| 17796 | J. Alroy | Lay Ranch Beds Harrisonian - Cenozoic 4-5 - Wyoming | Hunt (1985) |
| 17833 | J. Alroy | Royal Valley Harrisonian - Cenozoic 4-5 - Wyoming | Wahlert and Souza (1988) |
| 17835 | J. Alroy | Sand Gulch Harrisonian - Cenozoic 4-5 - Wyoming | Wahlert and Souza (1988) |
| 17840 | J. Alroy | Southeast of Lusk Harrisonian - Cenozoic 4-5 - Wyoming | Schultz and Falkenbach (1950) |
| 17854 | J. Alroy | Van Tassel (Upper) Harrisonian - Cenozoic 4-5 - Wyoming | Loomis (1932) |