Baculite Mesa, Pierre Shale, Pueblo, CO

Baculite Mesa, Pierre Shale, Pueblo, CO - 5/17/2003

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In places, the canyon walls are filled with large platter-sized clams like this Inoceramus (?) They are easily identifiable by their thin prism structure. Rusty Zone or Tepee Zone of Pierre Shale.

In places, the canyon walls are filled with large platter-sized clams like this Inoceramus (?) They are easily identifiable by their thin prism structure. Rusty Zone or Tepee Zone of Pierre Shale.

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In places, the canyon walls are filled with large platter-sized clams like this Inoceramus (?) They are easily identifiable by their thin prism structure. Rusty Zone or Tepee Zone of Pierre Shale.