MINEBK00979

• County: San Miguel
• Volume: 14
• Document: Inspectr
• Suffix: B

-3-
i
i~
~'
i ~~1 is
i .!
p;
iI<~;:
t +:5~~
l;, ,
~;f ,,~; .
-t~
,.i~,+i.'i r
i~:
~~ , ~ i, .
,'I •
~, ..
1! ~' ~-~
r ~,,
.
,F t.
ill)!, , ~:~
~~,., t'
fir., i .
i
;li~ i
~~.`'~
l':~,~ "
and Blcksmith shop. Lampe and can3lea are used for lighting,
Surface tranaportsting is done by pack train.
F,XPL•0 S IVES.
Du Pont 40~ powder, iruported Insolid Z L. Yuae 5-a•Capa
and wooden tamping bars are uses. There is no need of a
ponder monkey. xplosi•ves in excess of one day's supply
are not stored under ground. A magazine is provided•for
this purpose, an3 is situated about 200 feet from other
worr.ings. Tile avera,3e amount of explosives is about 200
Lbs, The magazine is an oli dug-out. No device for
thavring powder is used,
h I N I i1 G AND iiL I N E yi g T H O D S,
'Rorw i;; carrin~ ^n at the present titae in Tunnels Nos,
I,?. a:d 3. 'Phese Tunnels are all on the acme "seih,
'"his is where the restPst amount of work is carried on
nt the presen± +.i.me. There are numerous other short tunnels
on samr. vein. :~o.I Tunnel is in about 400 feet and is connectd
~~it;: No.2. by an upraise vitlt a voo3 ladder wsy,
T:e rnet-.ol of ore eftra.otion is over ?land sto!~pin; by hand
drilling both sia?le a:a double hand ar•e used, Tire method
of timcerin> i:> stulls sai square sets. Pine snS spru^.e
preps red oy hand is used in timbering,'1'he system of vent-
ilation is natural. Candles are used for lihtin~ under
,~rou:id.
5 TAT I 5 T Z C S.
~~
,
~4. i
Total number of feet in Tunnels 400, cost per foot ~$I5.
Total au.•nber• o° feet in Drifts 750, " " " I2,,
Total number of feet in Raises 200, " " " I2,.
Total number o1' Peet in Developtaent 1350.
Average assay vslue ~y50, to ,~75. per ton,
4 iCiners
I Trammer
I Foreman
il-
~(.LTN
~p3,50
3.?.5
5.00
E M P L O Y ~u D.
for eiht hours,
~~ ~~ ~~
u u n