Annual report upon explorations and surveys in the department of the Missouri . - a. Point of discovery 7> ftuinpjnle at do. c Mouth o/tunncl d Cabins e Dump-pile tram adit / are vein £>? Gauge of lite vein. -gneiss Plan of Tunnel and Drifts on t h e Pride of the West Lode. 1 Jflachsniith with Trait track 3 Drifts 4 ..Main vein oreJ. raleof 5 feeta. Jtich pan,- streak of gray ooppei ? OperationsinCUNNINGHAMGULCH. Fid A. attheherui of tunnelpar, lion of toiledthe //uf/ttaiid itar\ <n of Highland MaryWorks V C
Annual report upon explorations and surveys in the department of the Missouri . - a. Point of discovery 7> ftuinpjnle at do. c Mouth o/tunncl d Cabins e Dump-pile tram adit / are vein £>? Gauge of lite vein. -gneiss Plan of Tunnel and Drifts on t h e Pride of the West Lode. 1 Jflachsniith with Trait track 3 Drifts 4 ..Main vein oreJ. raleof 5 feeta. Jtich pan,- streak of gray ooppei ? OperationsinCUNNINGHAMGULCH. Fid A. attheherui of tunnelpar, lion of toiledthe //uf/ttaiid itar\ <n of Highland MaryWorks V Cujiningham (htlvltIron, Ilie North ? APPENDIX SS. 1823 There was being opened an adit entrance 18 feet by 15, from which a tunnel 10 feetby 10 will be run for 100 feet, giving room for a double T-rail track with switches, 6cars being in use for removing the debris. The work was being advanced by means ofsix 3-inch Ingersoll drills, the number to be doubled in 1878. The tunnel, which was8 arted from the bottom of the gulch on the Mountain Boy, will cut at 80 feet theHighland Mary and W. H. Nichols, at right angles, when drifts, 8 feet by 8, for a sin-gle track, will be run each way to the east and west on both lodes, the main tunnelgoing south upon the vein of the Mountain Boy. At 500 feet from the adit entrancethe tunnel will be 2,000 feet beneath the surface of the mountain above. Attached tothe mines were found a total of 14 buildings, as follows : Engi
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Keywords: ., bookcentury1800, bookdecade1870, books, booksubjectnaturalhistory
