There are 2 matches

Collection Authorizer Collection name Reference
23031S. Holland Chasm Creek Formation, Member 3 (Churchill River Exposure) Richmondian/Gamachian - Ordovician 5 - Canada Nelson (1963)
26359S. Holland Unit G, Northwest Stonewall Quarry (= Southern Manitoba, Stonewall Formation, ) Gamachian - Ordovician 5 - Canada Stearn (1956)

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