. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. clear, vertical shaft has beensunk to a depth of 577 feet, with levels at 210 feet. 345 feet and 500 the 210-foot level a crosscut has been driven 90 feet west. At the345-foot level, a crosscut is driven west 280 feet cutting a vein 80 feetwest of shaft, which has been drifted on 312 feet north and 383 feetsouth. The vein in both faces shows a width of 5 feet of quartz witha gouge on the footwall. On 500-foot level a crosscut has been driveneast 1035 feet, cutting mid
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. clear, vertical shaft has beensunk to a depth of 577 feet, with levels at 210 feet. 345 feet and 500 the 210-foot level a crosscut has been driven 90 feet west. At the345-foot level, a crosscut is driven west 280 feet cutting a vein 80 feetwest of shaft, which has been drifted on 312 feet north and 383 feetsouth. The vein in both faces shows a width of 5 feet of quartz witha gouge on the footwall. On 500-foot level a crosscut has been driveneast 1035 feet, cutting middle vein 20 feet wide, with a drift north onthis vein for a distance 260 feet, and south 130 feet. In this crosscut theZeila vein was cut 750 feet east of shaft, with a drift north on it for adistance of 100 feet. 48 MINES AND MINERAL RESOURCES. Equipment: 50-foot headframe, double drum electric hoist drivenby 75 General Electric motor, 16xl2 Chicago Pneumatic ToolCompany compressor driven by 75 motor. Four men are employedon development Avork. South Jackson Mining Company. J. Schweitzer, Headframe at the South Jackson Mine, Jackson, Amador County, California. SouUi Spring Hill Mine (quartz). See our Reports VIII, p. 80; X,pp. 73, 98; XI, p. 145; XII, p. 79 ; Bulletin 18, p. 77. It is J mile southof Amador City, adjoining the Keystone on the south. Comprising theMedean, South Spring Hill, Talisman claims, also the Gorton are three shafts on the property: South Spring Hill shaft is 1200feet, Talisman 600 feet, and IMedean 600 feet in depth. The two formershafts are sunk on the contact vein with the Mariposa slates on the west,and diabase on the east, while the latter shaft is on a parallel lead to eastin the greenstone. Idle. South Spring Hill Mining Company, owner,Lemonston, Mass. John R. Tregloan, of San Francisco, agent. St. George Mine (quartz). It is a prospect 1^ miles north of Ply-mouth. Idle. Thomas George et al., owner, Plj^mouth, C
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