There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 104305 | S. Finnegan | USGS loc. D1009 CO, Last Chance Range (= SF 171 / coll. Ross, ) Rangerian - Ordovician 2 - California | Ross and Longwell (1964) |
| 226695 | J. Marcot | USGS loc. D1015-CO, Cottonwood Mountains Whiterockian - Ordovician 2-4 - California | Ross and Longwell (1964) |