E. HoAJOorth — Deformation of Strata in Kansas. 3Y3 



reachiDg the Dakota, and the one of Mr. Cooper, section 13, 

 township 31 north, 28 west, reached a total depth of 250 feet 

 and found no Dakota, which is at least 200 feet below where 

 it should be found had it not been disturbed. The artesian 

 water is found at depths varying from 50 to 250 feet, and 

 under such varying conditions that it implies a filling in of the 

 valley, producing even greater irregularities than is common 

 to the Tertiary of adjoining areas. 



Passing southward along Crooked Creek the first appearance 

 of the "Red Beds" is on the east bank about three miles 

 above the present location of Odee P. O. — not the place by a 

 few miles as marked on the U. S. topographic sheets. They 

 are again found on the east bank at Odee, and are exposed 

 almost all the way below this point to the Cimarron, usually 

 with the Tertiary capping the tops of the bluffs. Near 

 Atwater, on the plain west of Crooked Creek, Mr. Ivers has 

 recently drilled a well on section 3, township 34 south, 29 

 west, which was carried to the unusual depth of 288 feet with- 

 out reaching the "Red Beds," while from their position a 

 short distance east they should have been reached at about 100 

 feet. It is an important fact that no " Red Beds " can be 

 found at or near the surface on the west side of the creek, 

 while from here down to the Cimarron, and down the Cimar- 

 ron to Englewood, they rise in bluffs along the east side to 

 heights more than 100 feet. This condition obtains south of 

 the state line, and after the western bluffs attain a considerable 

 height. Passiog on down the Cimarron, the " Red Beds " 

 bluffs are markedly prominent on the north side with no traces 

 of them on the south until a point in Beaver county, Okla- 

 homa, is reached almost opposite the mouth of Col. Perry's 

 irrigation canal — see map — -when they appear on the south 

 side and suddenly form as prominent bluffs as any on the 

 north. By referring to the map it will be seen that this line 

 is in range with the direction of Crooked Creek. 



Summing the whole matter up, it would seem that the pecu- 

 liar and apparently irregular conditions of physiography and 

 geologic structure in the area under consideration can only be 

 explained by assuming the existence of deformations princi- 

 pally due to a dislocation fault approximating in position the 

 present location of Crooked Creek below Wilburn, a fault with 

 the western side dropped at least about 200 feet. 



Geological Department, University of Kansas, 

 Lawrence, Oct. 5th, 1896. 



