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-4- - - 4ti~i <br />carried on at the present time. The nature of other <br />workings is the Cumberland Drift, Rhich is 1450 feet <br />to ?dorthwest of Revenue Tunnel. There are tti:o elopes above <br />this Drift. Tl:e main opening is the Revenue Tunnel. The <br />N!ill is at the end of snow shed coveriz;g 700 feat surface <br />and it is near thr, entrance to Tunnel. The Blacksmith Shop <br />is to the ?north. Sarr ?:.ill East of Blacksmith Shop and the <br />N,achine Shop adjacent to tilacltsmith Shop. The fire doors <br />are placed in first timbering of Tu;uiel ^:ith others further <br />in: The method of orc; extraction is overhand stopping. S9au(*h <br />stopes drills are used. Thr; :*ati:od cf timbering is tunnel <br />sets in drifts stalls and cribbing :,here needed. The timbers <br />are fire killed douglas fir. Salved in Sar. ?!ill. Shoots arc: <br />loaded by gravity. Th?derground traxming is done by electricity. <br />The system of drainage is gravity flame. Tire system of ven- <br />tilation is ;Mural. „ssisted in Cumberland P:fire b,~ .l6" pipe. <br />The ?Yne has taro exits ore through thevirginous anu one <br />+.hrou~'~ ?`ai.n Tunnr,l. Electric lir_h+.:; in Tunnel and candles <br />in stopes. <br />S TAT I S T I C S. <br />Average tonnage per month 3600. <br />Total number of feet in shafts 1600. <br />Cost per foot „b0.uo. ''t'otal nu:rber of feet in Tunnels <br />• I; <br />3 miles. Copt per foot d40.oo. Total number or feet in '• <br />drift:, 30 miles. Coat per foot, ~15.eo , <br />Total number of feet in cro^a cutr: 2500. Cosa per foot ~'lf3.oo. ' <br />Total number of feet in wir.res 4400 Cost per foot 20.00 j. <br />Total number of 1'a .t in :?evelopement 40 l~ii. Cost of fuel 9.I5 per <br />Ton. Average cost ;?er month ~JO.00. Cost of timber 17.25 per !~, <br />• • <br />Thousand. Averai;e COS`• nrr r:onth ~~5G.oo. Cott af' stoel F3 Lo <br />~' <br />• ~; <br />10~ per Lb. P.verage cost per moat;:: 5,;;5.00. Cost oi' oil .::2~ ij <br />~~ <br />to .42~ per „a11or..Average coat per month ,19.00. <br />Cost of powder .14~ per lb. average coat per month $500.00. <br />Cost of transporting supplies to Line ,~4.0o per ton. i~ <br />"1200.00. ~ <br />Average cost per month :~ ~. <br />Average assay value of ore per ton ;30.00. Cost per• ton ii <br />