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- [4] DIAGENESIS OF FOSSILIFEROUS CONCRETIONS FROM THE UPPER CRETACEOUS FOX HILLS FORMATION, NORTH-DAKOTA JOURNAL OF SEDIMENTARY PETROLOGY, 1988, 58 (04): : 706 - 723
- [5] Stratigraphic expression of a regionally extensive impactite within the Upper Cretaceous Fox Hills Formation of southwestern South Dakota SEDIMENTARY RECORD OF METEORITE IMPACTS, 2007, 437 : 199 - 213