There are 2 matches

Collection Authorizer Collection name Reference
156536P. Mannion 1 km east of Happy Jack's Cabin Late Campanian - Cretaceous 7 - Canada Ryan et al. (2014)
156538P. Mannion Fergus County (general) (= Mercuriceratops type locality / coll. Susan Owen-Kagen 2012) Late Campanian - Cretaceous 7 - Montana Ryan et al. (2014)

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