MINEBK01039

• County: San Miguel
• Volume: 15
• Document: Inspectr
• Suffix: A

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i_I I;I_G GhD ILI~_E L'IiTI2 OD_ ,
t:'orl: Ss carried or. aL the present tine in Tunnels I:os.1,2,
and 3. The ;e T:mnel :me all on the same Ve1n.IIo,1. This
io •chere the ~roates•t amount of aorlc is carried on at tho
present limo. Thero are nu:~arous other short tunnels. on
save vein. :;o,l Tunnel is in about 400 fret and is connected
:rith~ ho,2 by an uprai~>.e Bath a ;-ood.ladder Ivay.
Tie ;aeUiod of ore extraction is over hand ,taPPinc' by land
drilliri~ both sin;;le and double hand aro used. The r:ethod
ti~berln Ss .,'.n11s and ssuaro sets. P1no and spruce
prepared by !:and io used in Lisbering. The systet7 of vanes
t11at1on i : ncU.tral. ^andles at•e used for li~htin6 undsr-
~,round.
T7t21 ..,a:Sb L-r Of
Total nur~~er of
^otal num'oer of
Total number of
T 1. T I_ T I C
f. of in Tunnols 1:C:i0.COat por foot wsl6.oo
feet in Drifts 1100, " " lh.oo
feet in Pai-es 276 12.00,
foot in Develo;vzent 1360.
clue ;'SO.n' to ."75.00 per ton.
incr., 3.60 f'or (ii;)it bourn
1 ^ra:yscr 3.25 '~ " ~,
1

1:o xraon um]e r tl:r, arr, of 1,: ycnr:: is ol~ployod in the 1(ino,
'.;o atran~er~; or vi:;itor:; ara: alLo'~:od unc:erground unloso
:~cc o:.^.pcinled by so:ae on(: i'~.i~111: r rit,11 tJui :sin(;, •
7:11 LCCiCaiIltG }lF:'/(; b[;iin PUPOrtCC.° t0 thU ?!LLreall Of' :SSneU,
?i;e vainer; pup tv thi; s aner:; Union li ospital of Tcllurido,
Tire; mine ha3 nevi:r shlJ>nv~ l very .;uch nrli but orpect to build
:C i11 nrzt r;u:~. (:r.