CASE 



PLATE 1 2 



^(1 



• *• 









Fig. 1 . Triassic Bad Lands a few miles east of Tucumcari, New Mexico. 



Fig. 2. Nearer view of the large pillar shown in the previous figure. The cross-bedded sandstone is under- 

 lain by bluish sandy clay and this by a purple clay shading into red. 



Fig. 3. Upturned Red Beds of Triassic age, on the south side of the valley at Las Vegas Hot Springs, New 

 Mexico. The lower, western part of these Red Beds may possibly be Permo-Carboniferous. 



