There are 3 matches

Collection Authorizer Collection name Reference
38454M. Foote Silica Formation Unit 5A Givetian - Devonian 3 - Ohio Kesling and Chilman (1975)
38457M. Foote Silica Formation Unit 7 (7A,7B,7C) Givetian - Devonian 3 - Ohio Kesling and Chilman (1975)
38469M. Foote Silica Formation Unit 18 (18A,18B) Givetian - Devonian 3 - Ohio Kesling and Chilman (1975)

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