MOOK, STUDY OF THE MORRISON FORMATION 



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Pig. 31. — Moncclhial fch! near Mack, Colorado. 

 The Morrison beds are seen to the left, resting on the La Plata sandstone in the center. 



Fig. 32. — Outcrops of the Morrison formation near Mack, Colorado. 

 The section shown in fig. 30 was taken at this point. 



