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<br />Jo Reynolds - 6. j" <br />.•• <br />~ I A;I:,~.•G. _ &. M• I A .E. . M.E T. H 0 D S - Contin. <br /> <br />erly posted SR•the~.r reapeotive.plaoea, L-7:1 level:etdtione are <br />provided with passage-Ray.Rround the working shaft bnt are not <br />previded with,~uard, rai7.s.,•The shaft is seoured with pillars <br />et greuad on eaoh aids suttioient to aeoure safety: <br />j Ths••method einPlo;ed for ore sxtraotion is overhand stop- <br />ing and drifting and Zeyner tdaohine drills are emploged. 8o hand <br />dri111ng is done. ~ '• <br />Poste anQ Daps in the tunnels and atolls oovered with lag- <br />~~ grog in the drifts are the aetheda eaplo;ed ter timbering. fihe <br />,. .. <br />;timbers are prepared bq hand iron red spruoe, are in good oon- <br />dition and auutfioient to assure safety. ~ • <br />Chutes are loaded bq hand and gravitq. <br />underground tramming is done with mules. Steel oars are <br />need on a traokage of 18" giu~e and 20~ T raise. • <br />Dra~nags sad 4entilation are natural and good. ae neaieute <br />gases are met with... The eanitarn oonditione are tairlyxgood but <br />'I all old timbers and debris have not been reaoved from underground. <br />~ Carbide lamps are used for lighting underground. <br />'~ <br />• ,•_ S T d T I S T I C 9. <br />Gress tonnage ~=1'R,3~i0:'•• ~ . <br />• _ <br />Average tsnnags per month, ---- <br />6verage value 02 ore per ten, ,~2b. <br />CHt per ten transporting ore, ~2.b0. <br />Cost per ton treatment~ore,1~12. <br />.. • <br />j • ;.Average oast per month:•.ot.fuel, 7.00: . . <br />n n .. ,. n ;n .timber.,: $2b.. ". <br />n n n n •n 8tee1,. • $10. ~.. <br />n n- . n n x:..:011.. .~• b.. _. .:.. <br />_ n • .n n n n_ , pewdeT, y~jb0. <br />Ceat,,•et txsaap~rt~.x$.~upplies_to.nine inolud~d~ia above. <br />~ Total number ef_ieet.is shafts, 1,0000. <br />--- _L f- <br />