My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
MINEBK00494
DRMS
>
Day Forward
>
Mine Books
>
MINEBK00494
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
1/12/2009 9:44:37 AM
Creation date
11/18/2007 12:07:52 PM
Metadata
Fields
Template:
Mine Books
County
San Juan
Volume
14
Document
Inspectr
Suffix
A
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
56
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
View images
View plain text
-4- - - 549 <br />icient to secure dafoty.The timber:; are pine and spruce <br />prepared by hand.. underground tramming is done by hand. <br />The system of drainage is an electric pump. Then system <br />of ventilation is natural. The shaft is divided into two com- <br />partments. The Air Pipe and ladder way being in ona compart- <br />ment. The landings in ladder way do not exceed 20 feet apart. <br />All levels are connected. The t,iine has three exits through <br />three Tunnels. The system of lighting underground is electric <br />and candles. <br />S TAT I S T I C S. <br />The gross tonnage per day is 90 tons. <br />Total number of feet in shafts 750. Cosa per foot x`25.00. <br />Total number of feet in drifts and levels 20000. <br />Cost per foot $15.00. Total number of feet in cross cuts <br />5000. Cost per foot 25.00. Total number of feet in raises <br />2000. Cost par Yoot ~;2C.oo. Cost of fuel per ton ;G.50. <br />Av=ra;;a per n.onth y170.o0. Cost of timtrr per month X100.00. <br />Co:;t of pov;der .17~ per Lb. leverage assay value per ton <br />:"5.50. Coot of L:iair.?; p^r tor. ~£.25. Cost of transporting <br />ore Der ton .25~. Ces~ of ore treatment Vl.oo per ton. <br />t,:E_I ~'s1 P LCYrD <br />12 L;aehine Drillmen <br />2 2,°achine 1?elpers <br />3 Tim'.~crmen <br />1C Tr~ti^~.^.•or^ <br />5 Top L;en <br />6 Engineers <br />2 Pump lien <br />1 Rlac;tsrath <br />1 Foreman <br />1 Superintendent <br />14 2~illmen <br />9.0o for eight hours, <br />J. JO " " " <br />9 . o. ~~ ,~ <br /> <br />S.?5 n n u <br />3.25 " " <br />$ . 00 ° n n <br />9.00 ° " <br /> <br />4.00 „ n ~~ <br />S.oo " " n <br />6.00 <br />~~ <br />~~ <br />~~ <br />3.50 " ° ~~ <br />
The URL can be used to link to this page
Your browser does not support the video tag.