Report of the Director of the Mint Upon the Statistics of the Production of ...
Report of the Director of the Mint Upon the Statistics of the Production of ...
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This property will doubtless be thoroughly exploited by drifts, tunnels, winzes, &c., as soon as these works are completed.
The Woronoco Mining Company are energetically engaged in the work of developing the San Diego, which has recently been opened by shaft to a depth of some 290 feet. On the 266-foot level, and about 90 feet north from the shaft, a 3-foot vein of carbonates was struck, which was found to be very rich. Drifting along this ledge a distance of about 30 feet shows gradual improve...ment in the vein, which in places is partially capped by a quartz ledge which shows chloride stains and copper. In the south drift, on same level, and about 60 feet dis- tant from shaft^ rich deposits of galena and gray carbonate ores were also struck, which gave an assay value of $180 in silver to the ton.
The work is being carried on by double shifts of hands, aild stiU richer strikes are daily anticipated.
The Contact is located immediately south of the Stonewall. The main shaft, an incline on the ledge, is down about 50 feet, all of which is in high-grade ore, which gives assays of from $100 to $500 to the ton.
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To quickly assess the difficulty of the text, read a short excerpt:
This property will doubtless be thoroughly exploited by drifts, tunnels, winzes, &c., as soon as these works are completed.
The Woronoco Mining Company are energetically engaged in the work of developing the San Diego, which has recently been opened by shaft to a depth of some 290 feet. On the 266-foot level, and about 90 feet north from the shaft, a 3-foot vein of carbonates was struck, which was found to be very rich. Drifting along this ledge a distance of about 30 feet shows gradual improve...ment in the vein, which in places is partially capped by a quartz ledge which shows chloride stains and copper. In the south drift, on same level, and about 60 feet dis- tant from shaft^ rich deposits of galena and gray carbonate ores were also struck, which gave an assay value of $180 in silver to the ton.
The work is being carried on by double shifts of hands, aild stiU richer strikes are daily anticipated.
The Contact is located immediately south of the Stonewall. The main shaft, an incline on the ledge, is down about 50 feet, all of which is in high-grade ore, which gives assays of from $100 to $500 to the ton.
What to read after Report of the Director of the Mint Upon the Statistics of the Production of ...?
You can find similar books in the "Read Also" column, or choose other free books by United States Bureau of the Mint to read onlineMoreLess
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