MINEBK00940

• County: Boulder
• Volume: 15
• Document: Inspectr
• Suffix: A

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M• I `H I~ H-G 8c M I R E

METHOD S- Coatla.
ead timbered with pbete'snd Daps a~dl~tanoe'of 300' from'ths::
portal.<Tweaty-three veiae are intereeoted by. this_tuntul: `-
9t a dietanos of 2,6b7'.trom the portal thr @o1fl Spriag.v~ia:.
is iatereeoted. Oa this vein dritting:hae:been dose .ea0t:%1:;000
ead west 617'. At the breeat'of the tunnel the~ahait~oa-thr.r
Twin vein ie intsrae~tsd: "'~ • -.. - .....
what is~kaowa ae'the main'ehaft'ia annk oa-the
It Sa Bb6'•ia depth and oribbed the satire depth^wlthhewn•:
timbers. It i'e divided lato two~oompertmente.Por e-ladder-way
and buoket-way. The-leddei=way la 3~' a 4!~in.the oleos; ia••~.
sgnipped with safe ead aooseeible ladders.; oontaina.8lr:pipsi
ead has landiage 12'+epart:'The bnbket-way ie•4!•x•4}!.in the

Drina have been run in the main ehaft.ea 3ollowe: :,
SO-tt. lew~'aaat~400'; west 200'. 160-Pt. Tavel: seat 360';
west 200'.'200-it. level: oast 360'; west 100!. 27b-ft. legal;
east 200'; west 60'. 320-tt;'level; Beat 76';'weat 60!: 420Mit
level; Beat 700''j west 200'. b00-it. level;:eaat.T00'•; webt •
E00'. 600-tt. level; east 26'; west b0'. 661-it. level; east
600'; went 4b0'. The last mentioned ie the tunnel level.
Praotioelly~al7 o'i the ground hae~baen.etoped:.out above
the tunnel level end hen. been'abandoasd..dt the time~oi this.
iaepeotioa this shaft was being retimberaB. When Sa gbod'•eoa
dikioa St wi1L b's used dor an additional~~eait,• - ...
' Three-gnertera of e'mile-ebova the'mein tunnel a oroes-
ont tunnel 2000' long Se drives oa the Oold Riag vein. Above:
ead 1,000' from the portal~a ehait~ie inak oa this wsin. The:
shaft ie da poor ooaditioa ead reoommendatione were given_on'
8eptsmber•SOth;+1913 'to rsorib bhe eheit"tor a+dietexae of
76' from the aurfaoe ead also retimber the shaft' st e11' ot}is`r
plaoe^ where seeded before reouming work that wet oontemplatsd
Ooaeidereble drifting hoe bean done oa this vein but on eo-