There are 3 matches

Collection Authorizer Collection name Reference
10247T. Olszewski GSC 56933, Section 116C-2, Tatonduk River Roadian - Permian 3 - Canada Bamber and Waterhouse (1971)
61569T. Olszewski V40, Peel River, Middle Recessive Unit Wolfcamp/Leonard - Canada Nelson and Johnson (1968)
61576T. Olszewski TR, Tatonduk River, Middle Recessive Unit Wolfcamp/Leonard - Canada Nelson and Johnson (1968)

Do another search