Plate II. 



Fig. 1. 



Table Butte capped with Trachyte 



5 miles north of the Arkansas 

 and Platte River divide. 



Fig. 2. 



1 a | Sandstone. \ b b \ Fire clay. frS^l Lignite. 

 Deposit of Lignite in an irregidar cavity 

 in sandstone. 



