There are 3 matches

Collection Authorizer Collection name Reference
17094J. Alroy Cottonwood Pass (Lower Nodular Zone) (= Collections VII, VIII, and IX; Near Stream Facies) Orellan - Cenozoic 4 - South Dakota Damuth (1982)
17336J. Alroy Harris Ranch Unit B Whitneyan - Cenozoic 4 - South Dakota Simpson (1985)
170168J. Marcot Cedar Pass (SDSM V712) Whitneyan - Cenozoic 4 - South Dakota Korth (2014)

Do another search