page 3 
L > 
Morrison formation 
7« Clays tone, 
red. 
greenish gray, maroon, and 
38.0 
Claystone, dark greenish gray and dull 
red; top 11 feet contains tabular 
light gray limestone concretions as 
mucn as 10 feet long and 3 feet thick 
with a rude cone -in-cone structure. 
Dinosaur bones in lower 23 feet. 
b7.0 
Lime s tone , 
a le dse • 
light gray. 
d a?* n o * 
U u v j 
f o rms 
2.0 
laystone, dark greenish-gray . 
Limestone, grayish-white, sandy, lam 
inatea; laminae are contorted and th 
bed is breccia ted locally; contains 
vugs filled with coarse crystalline 
cal cite. 
