04111 - K/T Boundary Glass Rich Burn Layer Hell Creek Fm Latest Cretaceous Carter Country Montana Meteorites there is still a lot
Yard notes & kiln story
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04111 K T Boundary Glass Rich Burn Layer Hell Creek Fm Latest Cretaceous Carter Country Montana Meteorites there is still a lot there is still a lot to be discovered about the paleoecology of this flying piscivorous Lavocat 1954