There are 8 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 10767 | M. Patzkowsky | St. Peter Sandstone, MN - Patzkowsky Whiterockian/Mohawkian - Ordovician 2-4-4-5 - Minnesota | Sloan et al. (1987) |
| 23081 | S. Holland | St. Peter Sandstone of Southeastern Minnesota: Highwood Blackriveran - Ordovician 4-5 - Minnesota | Sloan (1987) |
| 23273 | S. Holland | Sardeson Collection, St. Peter Sandstone Blackriveran - Ordovician 4-5 - Minnesota | Rice and Hedblom (1987) |
| 23274 | S. Holland | Sardeson Collection, Glenwood Formation Blackriveran - Ordovician 4-5 - Minnesota | Rice and Hedblom (1987) |
| 23276 | S. Holland | Sardeson Collection, Platteville Formation Blackriveran/Rocklandian - Ordovician 4-5 - Minnesota | Rice and Hedblom (1987) |
| 23277 | S. Holland | Sardeson Collection, Decorah Shale Rocklandian/Shermanian - Ordovician 4-5 - Minnesota | Rice and Hedblom (1987) |
| 23278 | S. Holland | Sardeson Collection, Cummingsville Formation Shermanian - Ordovician 4-5 - Minnesota | Rice and Hedblom (1987) |
| 23290 | S. Holland | Decorah Shale at St. Paul, Minnesota Rocklandian/Shermanian - Ordovician 4-5 - Minnesota | Rice (1987) |