MINEBK00207

• County: San Miguel
• Volume: 11
• Document: Inspectr
• Suffix: A

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Toaboy - 5.
i
- E%PI.OSIVES-Contin.
Di~s,•cand7;es and other combustibles are not stored with the
powder but are kept in a building dept for this purpose only,
The device sor thawing powder is a small Yrame building
heated bg stesID.
Bo e$plosives are stored underground: ~ •
1'3INIyG & 1f~I1CE METHODS .
The development consists or one main shaft which has been .
sank in the mouth oY the tunnel sad is 450 Teat deep. The shaft
is 4' a 14'; with 3 compartments, timbered with square seta,
backed with 2 in. plaal~.
Some stoping is being carried. on at the present time in the
-tunnel but the principal work is confined to the 100, 200, 300
and 400 foot levels in the shaft. t~tenslve drifting, atoping
and npraiaing is belag done in those 1oy81e: The work in the
tnnnele is oonfinod to the 1,700, l,tiOU, 1,y00 and Z,lOU drifts.
Some old workings are being extended.
Three tunnels have beon driven on-thle vein'...^~ha lower
tunnel le 'L,1U0 Poet in 2onlyth, with numorons driYta. The two
upper tunnvle have boon abandoned and arv not eooeaeible.
The entrance to the main tunnel is timbered with poate and pope'.
Uther timbering has been done with stalls and is eurri`oiont'.
Othvx shafts hrsvo bevn sun}; but arv inaotivv and abandotted.
:Chv mouth oi' thG tunnel is Govexod with a i'xtunG building,
wlth blacksmith chop and machine chap ad~oininl;•
Sufficient doors, properly planed, hrivv bvon Broyldod for.
the tunnel xor protvotion in oaev oY fire's and'san be opexatod
Prom without. ,
' Maps and drawin~;c arc Y,r;pt in the oTYior3 at- Telluride, Colo:
7'hv hviating method cmployryti is r~tcam.
7"hv mun t,rrs lowvrr,d and raiisvd with the hofeting mradhinvey•
of
.~ loaa~,l,b0u~ 1s hoirstvd for a dletunaa of 60D~ with a 3/4
in:,etvel wiry sable that hap bevn uev0 tbteo months and is 1n
•E'OOd<vondibion.
Toml
The
T}ii ~
are
the
roar
men.
not
in !
peal
sui':
Thv
hang
eta:
lac!
ueoi
(;UGS