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> Well, there is some indirect evidence. The more inland sediment series
> tend to lack Triceratops, and to contain Montanaceratops and/or
> Leptoceratps. If the Triceratops came from upland areas, they should be
> *more* common inland, not less.
Are these "inland sediments" actually part of the Hell Creek
Formation itself, or are you referring to different Lancian formations like