108 



ANNALS NEW YORK ACADEMY OF SCIENCES 



Feet 



Green clay 8 



Limestone cuufietious 1 



Red clay 3 



Green clay 12 



Limestone conci'etions 1 



Green clay 12 



Gray sandstone 2 



99 



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Fig. 74. — Section of the Morrison forma- 

 tion on Inyan Kara Creek, Wyoming. 



Scale, 125 feet to 1 inch. (Loomis.) 



Fig. 75. — Section of the Morrison forma- 

 tion at Sheldon Post-office, Wyoming. 



Scale, 125 feet to 1 inch. (Loomis.) 



Section at Kara Peak 



Feet 



Red clay 3 



Green clay 3 



Cream sandstone 8 



Blue-green clay 6 



Red clay 1 



Limestone concretions 1 



Purple clay 3 



Red clay 2 



Cream sandstone 2 



Green clay 3 



Cream sandstone 2 



White sandstone 11 



Black clay 2 



White sandstone 8 



Yellow sandstono 75 



Slate green clay 50 



Gray sandstone 15 



195 



Section at Beaver Creek 



Feet 



Brown-green clay 15 



Olive green clay 66 



Green clay with small concretions 15 



