MINEBK00728

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

Dyke-oft - 3.
i.
i
ORES ~& O R E B O D I E S,
The ore bodies are true fissures. There are tyro known
i ';, veins but the principal work ie carried on in tfie RaY.e-ofY'IIo:
2 vein. Both veins are similar in oharaater with a stiike of
northeast end southwest and gipping to'the north. The vein
varies in width Prom 1' to 6' with an average width of 3':
bength 7,15'; fieight 250'. There is one ore ehoo~ 200' in lengt .
The enolosing rooks ere granite and the gangue ie talo.
'l i'
The roharacter of voin'tilling is quartz and tungsten end
tungsten is the only metal. All of the'oro is conoeutrating .
it _ '
bet the average value. could not be"learnod. Average tonnBgo '
~;', por aonth, 600. A17. ore is treated at the company's mill eit-
~,
"'I'` oats at Lakewood, Colorado.
~i~il' S U R F A C E P L A R T.
_~ .~
li The surface pleat aonsiete of two, 20 h.p. Eleotrio
hoists gild a Fairban]s-t4oree, 2-drill Air oompressor. A hoist
is pleaed on eaoh ehapt but tho one on Shaft IIo: l is not in
uso:
~! The hoist is equippofl with a positivo inflioator in plain
li~'' view of the ongineor Who oporatee at tho ongitte. The ongiaoor
~~~! le thirty yoarn of ago, has had ten yoara of oxporienoa and is
,' i
~ not nddiotod to the uao of intorioating liquors. '
Tho shaft has no building over it. Tho engine house is'
~ frame, iron-ooverod and ?.0' x 30' in size. The smith's shop
,,I. j' and ohanging houso aro in tho ongino room, The head Pramb is
,1,I' 2-poet, 10" x 10" and ?,6' high. Tho sheave vrhool ie oast ixon,
~! three foot in di6motor and tilled with ropo.
i.
~~, j The oro la trammefl by eleotrlo
~ powor in tram oars fliroot
~ from tho mine to the bins of tho mill nt LakowooQ, a distanoo
of one-hail mile, Ho protootion against fir.o le provided.
~~~ '1'ha Dollar of the shnft in oY enYi'loient hoight to pre-
~~I,'I~ vont persons from tripping and falling itt tho shalt and is