There are 5 matches

Collection Authorizer Collection name Reference
23273S. Holland Sardeson Collection, St. Peter Sandstone Blackriveran - Ordovician 4 - Minnesota Rice and Hedblom (1987)
23274S. Holland Sardeson Collection, Glenwood Formation Blackriveran - Ordovician 4 - Minnesota Rice and Hedblom (1987)
23276S. Holland Sardeson Collection, Platteville Formation Blackriveran/Rocklandian - Ordovician 4 - Minnesota Rice and Hedblom (1987)
23277S. Holland Sardeson Collection, Decorah Shale Rocklandian/Shermanian - Ordovician 4 - Minnesota Rice and Hedblom (1987)
23290S. Holland Decorah Shale at St. Paul, Minnesota Rocklandian/Shermanian - Ordovician 4 - Minnesota Rice (1987)

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