The Hell Creek Formation and the Cretaceous-Tertiary Boundary in the Northern Great Plains: An Integrated Continental Record of the End of the ... PAPER (GEOLOGICAL SOCIETY OF AMERICA))

Questions About The Hell Creek Formation and the Cretaceous-Tertiary Boundary in the Northern Great Plains: An Integrated Continental Record of the End of the ... PAPER (GEOLOGICAL SOCIETY OF AMERICA))

by Joseph Herbert Hartman

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