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Re: Dinosaurs of Morrison Formation

Message text written by INTERNET:th81@umail.umd.edu
>The Morrison Formation is VAST: I can't think of another terrestrial
sedimentary formation of as large an areal extent.  (Nice aspect of having
rapidly rising mountain range and a big depositional basin for the shed

        The Chinle Group is pretty large, too, extending east-west from
west Texas through Arizona, and north-south from central Colorado through
New Mexico.  The Newark Supergroup is also fairly extensive, extending
along a fair bit of the eastern seaboard and west into Pennsylvania.  Both
a bit smaller than the Morrison, but still big!

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                     Jerry D. Harris
                 Fossil Preparation Lab
          New Mexico Museum of Natural History
                   1801 Mountain Rd NW
               Albuquerque  NM  87104-1375
                 Phone:  (505) 899-2809
                  Fax: ; (505) 841-2866