TJrO GEOLOGY AND TOPOGRAPHY OP THE LEAD REGION. 



was 18,000 pounds, and in the following winter about 1,800 pounds. No mining is 

 done here in tlie summer. 



AVIOTA DISTRICT. 



This is a small group of east and west ranges, crossed by north and south crevices, 

 situated ki the N. "W. qr. of Sec. 19, T. 2, R. 5 B. But very little mining is done here; 

 the annual production of the whole district does not exceed 40,000 pounds. The ore is 

 lead, occurring in the middle portion of the Galena limestone, and there does not seem 

 to be any regular opening. There are several parties here, among whom the principal 

 ones are as follows : 



Piircell & Harden. They ai'e at work in the old Hamilton diggmgs, removing the 

 pillars from the old workings which were abandoned many years since. They are un- 

 able to go any deeper, or make any new discoveries, on account of water, which is here 

 quite plentiful. The ground is owned by the Ridgeway Mining Co., of Madison. 

 Messrs. Purcell & Harden "have worked here two years, and during that time have pro- 

 duced 20,000 pounds of lead ore. 



Smith & Anderson. Situated a short distance north of the preceding, and form the 

 nortliem part of the Hamilton diggings. This does not appear to form any regular 

 range. The ore occurs in east and west sheets, in very hard rock, and seldom in open- 

 ings, the diggings have now been worked since January, 1873, and have produced 

 80,000 pounds. 



MONROE DISTRICT. 



These are the most easterly diggings in the lead region, and are chiefly interesting for 

 that reason. They are situated about three miles and a half north of the city of Mon- 

 roe. At present only two parties are at work. 



T. H. White & White. Situated on the N. E. qr. of Sec. 14, T. 2, R. 7 E. 

 The ore is found here in a flat sheet, accompanied by pipe clay, about twenty- three 

 feet below the surface. The general course of the sheet is northwest and southeast 

 and produces only lead ore. The ground is quite free from water. The present parties 

 have been working here six years, during wliich period tliey have produced 90,000 

 pounds of lead ore. 



Frame & Co. Situated on the S. E. qr. of Sec. 10, T. 2, R. 7 E., on the land of 

 Mr. Henry Wilber. This is an east and west range, about half a mile northeast of the 

 preceding. It was discovered in 1844, and has been proved for a distance of 700 feet. 

 The lead ore is found in both vertical crevices and flat openings. There appear to be 

 three principal vertical crevices, connected in places by horizontal sheets. 



They were worked by Mr. John Monahan, from 1870, to February, 1872, chiefly in 

 the winter season, during which time he produced 50,000 pounds. Mr. Frame took the 

 ground in 1874, and produced 4,000 pounds in the first six montlis. The production 

 since then could not be ascertained. The ground is quite dry, and the worldngs are 

 about fifty feet below the surface. 



It is not probable that any extensive deposits exist in this vicinity. The grdund ap- 

 pears rather to be such as, by careful workmg, will afford moderate wages to a few 

 persons. 



