North of Fort Worth, Texas
Sep. 2, 2007

First stop was a Grayson formation exposure near Argyle, Tx. 
   
Next stop was an exposure west of Justin, Tx.  Nothing of note was found here.  
 
Next stop was an exposure off Hwy 114.
  
Next was a construction site in the Pawpaw formation off 114. 
Many small broken pieces of ammonites with nacreous were found but nothing of quality.