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<br />Humboldt - 4. <br />i <br /> <br />E B P L O S I Y B S r Contin. <br />The average amount of explosives kept in storage is 200. <br />The magazlne is Yrame, iron-oovered, and surrounded with atone. <br />sad situate 1b0' east of the portal of the tunnel. Powder only <br />r ~~ y,. <br />is stored in the magazine, all other supplies being stored in <br />a frame buildings 10' x 12', 200'• north of the tunnel. <br />The~deviae~tor thawing powder is a tin tank heated by <br />., ,_ _._ <br />means of hot orator. <br />.. .. ..,. <br />b9~IAIlYG Fa MIRE METHODS. <br />., . <br />Tunnel Ao. 1 is 400' in length and is used for an addit- <br />ional asit only. The ground betweon 2fo's. 1 and 2 Tunnels has <br />,. <br />been stoped out as also the ground above Tunnel 190. 1 to the <br />... ~ , . <br />sttrtao e . <br />Tunnel 190. 2 is 800' in length and is:uaed for an addit- <br />tonal esit... <br />,. <br />Tunnel Do. 3 is the main oponing and is 1.000' long. All <br />three of tho tnnnels.havo been driven on the $umboldt.v8la and <br />faro oonneoted by man-ways. Boma atoping is oarried on'in this <br />i <br />;tunnel about,800'. from the portal and 'gives a goodly produotioa <br />;monthly oY ore with fair values. This tunnel Se timbered with <br />;poste and nape at tho portal and with atolls oovered with lagg- <br />tag elsewhere when needed. <br />• There ero three man-ways oonneoting the tunneis~ one at <br />~e diatanoe of 200' one.at 600' sad ono at 800'•trom the portal <br />`ot Tunnel 1l0. 3. Thews are kept in good repair. proporly equip- <br />ped with ladders from one tunnel to the other sad also to the sur- <br />tnoe. <br />Drainage and ventilation are natural. These are no noxious <br />gages. Sanitary oonditiene are good. Oadergsound tramming le done <br />by hand with ateei oars on a traokage of 18" gunge sad 12/ T raffle. <br />Tii~tting underground in with Dandles. <br />6TATISTI08. <br />Best gage. <br />