Joplin - 4. .c _ ttt.[gaL
<br />Ik•Ir:B,I ~~GO~: "Y~I II'E:.Y'8~T B 0 D S .
<br />The main opening iei-'e Dross-ont'~tunael~'9b0~~3nil~ength.
<br />This ie timbered,,viitl~,:ppete °and~~aa}~ernfor;'a~' di'etanoe o3'~30' from
<br />the~Dbz+tal;:cthe-,:baleaoe:.of xho~tunnel:~Yequirin~'nb,tie~ering.
<br />6t a point 700' from the portal the Gsbanta ~ei3A `i~h ••i:atere'eot"ed.
<br />Drifts hate been run on this vein ae follows: east, 600'; west,
<br />,Of:i: ,~J'Y::ia ttt Jao2 20 7odrtcrtt In~•o:
<br />300'. Two hundred feet from the interseotion of the mein aon-
<br />.Ud(1~L .r.i:lar:;r;,' n.t Joo'! ~o Kr~,Trarn Snfoi
<br />neotion is made with a shah whioh is 32b' to the surfaoe. This
<br />.(~fiFi ,'?~t~~:::, 1'1 `!?9.t %O 7911CLf,'[ .S: OSJ
<br />shaft ie kept properly equipped, in good condition and ie need
<br />. foz.letl~additionul, esit..Iio. fire-proof doore"~2iave boon:provided
<br />_ax the portal oY the~~tnnnel as there is no~~dangbr from fire.
<br />,L' 'rTunnsl Ho. 2, 1b0:!ia length;ihas?been~diiven 236' lower
<br />.down on the mountain: 611 [work has"been abandoned on 'this tun-
<br />ael•cagd2no•roonnootione.thave?beon.madef~diith~tthe'~~nain tunnel.
<br />611 work le oonfined to stoping and extending tho.two
<br />dsifts driven on the Oabanta vein.
<br />The method oY ore estraotian is by means of atoping.
<br />single hand drilling only being omployed.
<br />The method of timbering employed in the etopoe and
<br />dsifta is stnlie oovered with lagging. The timbers are~reparod
<br />by hand fsom~pine, are in good oondition and euffioient to
<br />oeoure snfety~ `~ ,~ ::., .. .... '; :: ,. ;;
<br />Underground tramming is done by"hand with,aterel opts of
<br />Georgetown. Colo. make and on a trnokage of 19" gunge and 8~•t,"
<br />• •..
<br />i
<br />I !sails. ....c•~'... . ;; , ~ _, ; !~•Jr+:i ~~:'_:
<br />Drainage cad ventilation e-re natural andlno nosioue•~:,1,:
<br />gases are Jaet with. The sanitary oonditione are good and all
<br />r ~ :: .. ; ,
<br />old `timbers' bare beett removed l7om undorground._ •", ., .. ., "":,;
<br />tit: c`l,igbting~undergroundsie with Dandles. 1.,_L,l,c ..•
<br />•iht u ~,•
<br />!r :8.?"A'5.+1 e.T.,I.C 8r;"_c,:c,.,c. .
<br />~..
<br />Gsoee tonnage"not gi~ea. ",,,
<br />-r; , ; x:aj~~~age'toaiuge" Des mo"nth, d0,•• •r • 1 , , ~ .. . ~:,..
<br />Lresase assay walne ore per ton, X30.
<br />f
<br />
<br />
|