MINEBK00920

• County: Pitkin
• Volume: 17
• Document: Inspectr
• Suffix: A

---
Smuggled No. b.
~ 1 Ore House, _
i.
1 Surf sae Tramway,
1 Steam heated Powder House (dug out in dump),
1 Mill,
,J.
1 Sampling"Works, •, ~ ,.,,,.,....
~ 1 City Offioe;"
1 Hladksmith•Shop.(poBer,•drill eharpener,~lathe,
' ~ air hammer, drill prase and
grinding stone)
The boiler plant oaneiets of '22 tubular'boilere
(size 54" x,16"), one and sometimes two, of whiah are fired
~ and kept in readiness, 90~ preseura'oarried. All hoists "
can be changed to steam within a short time should the
electrical pacer fail.
i
MILL.
~ Ors is crushod, passed thraugp Dozin sampler, rabled
' I and put over a aeries of trammels (16 m.m.,l2m.m., 8 m.m.;
• 4 1~2 m.m., and l 3~4 m.m.)
The aver eAze of each trommel gape to a ~iq of the German
Hammer A~•{notype. The under size fram last trammel passes to a
' callow screen, aver size fram whioh goes to Harz sand figs and
the under sized after olaseif ication, to Wilfley type tainles,
tailings fram whiah paea to callow acne, overflow slimos go to
Fru Vannere. The tailings fram all fibs are ragraund in six .
~ Huntington Mills; fittee with 30 mesh Ton. Cap: screens, are then
alaesif ied and paea to another set of 1411f1ey typo tables and
Fru Vanners.
The mill ie driven entlrely by sleotricity, treats about
260 tans per day, saving ahaut 96^~ of the lead; 84°~O of the silver
~ and praduoing a oanoontrato running 4 ounoee silver and 30q~ lead.
SAIAPLING WORKS.
j The sampling warlce is driven by General [•:lectria 80 H.P.
I~~otor (olass 4 - 100 amp., 600 volts, M.P.440698, spood b16)
The maohinery ooneiste of crushor, rolls, elevator and
autamatia samplers. All oro brought to tho sampler le snmpled
and bauEtht outrip~t.
All low grade oro is sent to the mill, ell shipping ore is
~ takon to a mixing room where mixturoe whiah bring the beet pride
at the smeltor oro made. The assay affioe whore tho aeeayimg
?I