There are 3 matches

Collection Authorizer Collection name Reference
38457M. Foote Silica Formation Unit 7 (7A,7B,7C) Givetian - Devonian 3 - Ohio Kesling and Chilman (1975)
38463M. Foote Silica Formation Unit 12 Givetian - Devonian 3 - Ohio Kesling and Chilman (1975)
38465M. Foote Silica Formation Unit 14 (14A,14B) Givetian - Devonian 3 - Ohio Kesling and Chilman (1975)

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