;44 



DRAKE — THE GEOLOGY OF INDIAN TERRITORY. [Sept. 3, 



ing has brought them to a higher level than they would otherwise 

 have reached. There are in this area two systems of folds and 

 fault lines ; one runs about io° south of west, and the other io° east 



Ph(t6 IV. 



of north. One of the S. 80° W. fault lines runs from a point 

 about one-half mile southeast of Marble P. O. westward across Dry 

 creek. From the first-named point, a fault line runs N. 10° E. 

 across Walkingstick creek, where it meets a monoclinal fold running 



