68 , THE UNIVERSITY OF OKLAHOMA 



MANGANESE DEPOSITS IN CUSTER COUNTY 

 A. F. Reiter, 1920. 



During the progress of the recent war, at the suggestion of 

 the U. S. Geological Survey, the writer made rather extensive 

 survey of Custer County, investigating rumors of the presence ot 

 manganese ore in this region. 



The first location investigated was the NW. 1-4, sec. 20, T. 13N., 

 R. 16W., were a rather irregular was found. Every fault and 

 crevice in the soil and rocks above and below the deposit was filled 

 with either discolorations due to manganese or with layers varying 

 in thickness from near traces to an inch or more. 



The next location investigated was the SW. 1-4, sec. 31, T. 

 13N., R. 17W., wehre at a depth of about 30 feet a vein of 8 inches 

 was found. Like striae were found from this vein clear to the 

 surface. 



In the SE. 1-4, sec. 23, T. 13N., R. 17W., and the NW. 1-4 

 sec. 24, T. 13N., R. 17W., was found discolorations and small 

 veins of manganese in canyons from the surface to a depth of 

 about 20 feet. 



In the SW. 1-4, sec. 30, T. 13N., R. 18W., at a depth of about 

 16 feet was found a vein aboutl8 inches in thickness with smaller 

 veins penetrating all crevices up to the surface. 



These deposits were discovered by the early settlers and 

 thought to have been a cheap grade of coal and many wagon loads 

 were hauled away to the sorrow and disgust of the early settlers. 

 It exists as a fine black powder very closely resembling cheap coal. 

 Except for the depth, this manganese could be very cheaply mined 

 as it scoops easily from the veins. It exists as almost pure man- 

 ganese carbonate. 



ANTICLINAL FOLDS IN CENTRAL CUSTER 

 COUNTY 



A. F. Reiter. 1920. 



While making a survey of manganese deposits, a rather inter- 

 esting series of anticlinal folds was discovered in central Custer 

 County. 



The axis of the first beginning near the center of sec. 17, T. 

 14N., R. 16W., an*d extending to about the middle of sec. 31, of 

 the same township and range , was found a well defined anticline. 



