HAwortH. | Ore Deposits. 115 
AFTER BRIN, US.G.S. 
Fig. 6. Underground workings at Duenweg, Mo. After Bain, U.S. G. S., Twenty-second 
Annual Report, p. 182. 
Galena hold any definite position with reference to flint areas. 
If the flint areas are weak areas then general faults and 
fractures might cut through them on account of such weak- 
ness. But in that case they would have some regularity to 
them. On the contrary, we find actually that the richest 
areas at Galena are first on one side of the flint area, then on 
the other, then in the middle, etc. The original discovery 
along Short creek was about the middle east and west of the 
flint area. But on the South Side company’s property it is 
along the eastern edge, excepting a tongue of flint that ex- 
tends up Cooper hollow. These two balance each other in 
this respect. Then we have the Maggie Taylor land close to 
the east side, or rather on an eastern extending arm of the 
