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Indiana University Studies 



be rejected as waste is small. The stone is uniformly fine grained 

 and the larger part of it is a very light buff. A small amount of 

 blue stone appears in the lower beds, especially if the floor is 

 near drainage level in the valley. The line of meeting of the 

 buff and blue stone is more regular than usual and the amount 

 of mixed stone is consequently small. The quarries are all 

 electrically equipped. The north floor is taken off in 5 

 channel cuts, making about 40 feet of good stone. The 

 stripping consists of about 13 feet of earth and from 4 to 6 feet 

 of limestone. The upper floor is mostly waste. The 2 lower 

 floors show traces of blue stone. The next opening southeast 

 of this is 6 channel cuts deep and the grade of the stone is better. 

 The 2 lower floors are to a large extent blue, and the line joining 

 the buff and blue stone slopes up to the east at an angle of about 

 25 degrees. This slope is in the same direction as the slope of 

 the hill. The stripping here is thicker, reaching as much as 14 

 to 16 feet of Mitchell limestone. Hydraulic stripping is carried 

 on on these floors. The upper bed of the rock is much seamed, but 

 the seams do not penetrate deeply. The east and west seams are 

 the most prominent, but this can usually be accounted for by 

 the direction of the drainage slope. Stripping thruout the 

 quarry is done by means of a large pump located on Salt creek 

 one quarter of a mile east of the quarries. The pump is one of 

 the largest in use in the district, and the water leaves the pump 

 under a pressure of 160 pounds per squ ire inch. 



The Consolidated mill is located along the west side of the 

 valley near the quarry. It is a mill of the old type with open 

 yard. 



The other company operating in the valley is the George 

 Doyle Company, of New York. Their quarry, which is worked 

 well back into the hill on the southwest side of the valley, has 

 about the heaviest stripping seen anywhere in the stone belt. 

 The overburden consists of 6 feet of clay, 6 feet of coarse blue 

 limestone, 8 inches of shale, and 22 feet of Mitchell limestone. 

 The quarry shut down in May, 1914, and all the work in progress 

 in July, 1914, was a small amount of hand scabbling. There 

 is about 50 feet of good stone in the quarry, half blue and half 

 buff, but the heavy overburden makes its development expensive; 

 the stone is taken out in 6 (sometimes 7) channel cuts. It is 

 very free from seams or waste rock. 



The superintendent says that the older workings have at 

 least 35 feet of hard stone stripping, which is more than is 



