There are 6 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 77180 | P. Novack-Gottshall | D 722 CO (= Ninemile Shale, Bed D722CO) Blackhillsian - Ordovician 2 - Nevada | Ross and Longwell (1964) |
| 77181 | P. Novack-Gottshall | D 828 CO (= Ninemile Shale, Bed D828CO; USGS D 828-CO) Blackhillsian - Ordovician 2 - Nevada | Ross and Longwell (1964) |
| 77183 | P. Novack-Gottshall | D 844 CO (= USGS D-844-CO) Rangerian - Ordovician 2 - Nevada | Ross and Longwell (1964) |
| 77184 | P. Novack-Gottshall | D 724 CO (= Ninemile Shale, Bed D724CO) Blackhillsian - Ordovician 2 - Nevada | Ross and Longwell (1964) |
| 77185 | P. Novack-Gottshall | Ninemile Shale, Antelope Valley Blackhillsian - Ordovician 2 - Nevada | Sprinkle and Guensburg (1995) |
| 77186 | P. Novack-Gottshall | Ninemile Shale Formation, Antelope Valley Tulean/Blackhillsian - Ordovician 1-2-2 - Nevada | Merriam (1963) |