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Re: PRPA bill, Fossil Facts and Fiction

  FICTION: Fossils are rare, or if not all fossils, certainly vertebrate 
  fossils are rare.
  FACT: Dr. Charles Love, geologist from Western Wyoming College, quoted 
  in a 1993 AP article estimated that "just one-half mile layer[of the 
  Green River Formation] ...contained 12 billion fish[vertebrate fossils]. 
  "That's enough" he said "to give two [fossil fish] to every person on 
  the planet."

Is that referring to a layer half a mile thick, which would presumeably
have a much greater horizontal extent?  Or does "half a mile" refer to a
horizontal distance?

Jim Foley                             Symbios Logic, Fort Collins
Jim.Foley@FtCollinsCO.NCR.COM                (303) 223-5100 x9765