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Jefferson-Calhoun - 6.
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<br />~ ffi I ft I II G; ~ .M LI]E L1E T ]I O D S- Contin.
<br />- it oarried on through the.Jefforson aheift,..,The.ahaft.is,divldsd
<br />Lfi into two,aompartments, each 4' x 4'., for n ladder-tvay and bus-.
<br />ket-way. The ladder-way is equipped with safe, aecure_nnd aaoesa-
<br />ible ladders, oontaina-air and water pipma and hoe landings 20'
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<br />~ apart. , . , . ~ .. ~ ~ :.
<br />Tha Jefferson shaft is 606' in depth,, timbered its. entire
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<br />depth with_aquare.eeta,and has. 1,016' of drifts. This shalt is
<br />divided lnto threo.oompartmanta: one, 5' x b',, for h sags-way;
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<br />one, 4' x b', for a buoket-way; one, a' x b', for a ladder-way
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<br />Ths ladder-way ie ~~u1pP~d.with safe, eeottrs and,aaoeaeibls
<br />ladders, oontaine sir end tivater pipes atut has landings 20' apart.
<br />_ An additional sxit,is,provided.throttgh„the 400-ft_. level
<br />whioh oonneots the Eaet Calhoun shaft with the Jefferson shaft.
<br />This exit ie kept in. good.repnir and ie easily goopeslble.
<br />Aativs, work is oarried on .as iollowe: etoping in the 387-
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<br />ft. level and .the 60b-ft. level of .the. Mast. Ca].hottn shaft,
<br />tending the 600-ft. level and tho 900-ft. level on the.tveet Bide
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<br />I of the .East Calhoun shaft., ,,
<br />blape and drawingq of the surfs°e~and underground workings
<br />are kept in the offioe at dentral City, Colorado. _
<br />stesm 1a the,mathod employed for hoisting and the man axe
<br />~~ ~ ~ ~ maohlnary: A load vroighing
<br />raised and lowered with the hoicting ~. 0-
<br />1,000 ie hoist.ed,at,one.time a distano.e of 600', with a 7~
<br />inoh ai;~~el.wire.oable that, has been in uce two. months. A safety
<br />hook and ohain fastened on and of.oable wlth,sooket Rnd Dnbbitt
<br />metal is employed and has been in use two months. Mttterla7. Se
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<br />e I hoisted from two levels. •~
<br />Ths State ood• of signals and pull. bells ors employed.
<br />The bell line le 1/4-inoh twist wire; in good,oonditi.on..The oode
<br />of signals !e pelted in the engine room,,at the oellar of the
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<br />shaft and at snob leveT;etation., on loaded hnokets and
<br />Persona are prohibited from riding
<br />~ this notioe 1s posted•near the collar of the abaft.
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