The Mother Lode region of California . Section opQuioesA^ Dividef^ xx^c lauvxcis ttic cauii -L^ 3|^o^,pA FiH1 no long, inclined over each •* other, there being a landingat the end of each ladder,from center to center of Fig. 22. The shaft sets are 4 feet apart, or 5 feetwall-plates. The skip compartments are. Af^F{)ENT OP- TTfvJQErRS - WlLD/V)A/s| Sh/\F-T. Fig. 23. 4^ X 4^ feet, and the pump and ladder compartments 4| x 5 feet. Thewall-plates and ends of dividers are so framed that the dividers aredriven up into place instead of down, which prevents their beingkn

---

The Mother Lode region of California . Section opQuioesA^ Dividef^ xx^c lauvxcis ttic cauii -L^ 3|^o^,pA FiH1 no long, inclined over each •* other, there being a landingat the end of each ladder,from center to center of Fig. 22. The shaft sets are 4 feet apart, or 5 feetwall-plates. The skip compartments are. Af^F{)ENT OP- TTfvJQErRS - WlLD/V)A/s| Sh/\F-T. Fig. 23. 4^ X 4^ feet, and the pump and ladder compartments 4| x 5 feet. Thewall-plates and ends of dividers are so framed that the dividers aredriven up into place instead of down, which prevents their beingknocked out by blasts. 70 CALIFORNIA STATE MINING BUREAU. It is the intention to use skips that will carry 3 tons of ore at a load,making total weight of load (including cable and skip), starting at adepth of 2500 feet, about 6 tons. Foundations of stone and cement forpermanent headgear have been built from bedrock to the level of thecollar of the shaft. The temporary hoist and gallows frame now in use NlW a)T/Lt OP SdR&fcN Ff^AME-a+- WlLDMAN MlJ-Lwithout ii^side Plates.

---

Size: 2573px × 971px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectminesandmineralresou