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2"JO <br />Etta Cross Tun. - 4. <br />'. ... -.. ESPZO s IVE s-Contin: <br />oape arid'wooden:;tamping bars are eapToyed: Expleeipee in exoesa <br />-of 'one ddg'e~'eupply are~not eterad underground. "" <br />Tho average amotwt of explosives kept in stmrage ie'100i~. <br />This'is''etordd iri's' trams, iron-oovered'magnzine sitnnto 100' <br />north •f the portal of tho~Etta Cress Tunnel and is usad:for the <br />aterage-~t=powder on~y`Other.puPPlias ars.atored in.'thr dwell- <br />ing~ :.~ _. <br />The devioe for thawing powder 1a:a tin tank heated by. . <br />means of het water...' <br />MI1Y I AG ~ 'MIIIE ME THO D s . <br />The Ohaffs• Tunnel,•er 9~: 1, is 1,300' in length and <br />timbered far a diotanoe ef~76' with pests and oaps. Chaffee <br />Tunnel Be. 2 is 600' ling~and timbered with peate:nnd oape. <br />The Etta Oro~a-Tunnsl,:or Ho. 3; is 600' long and timbered a <br />dietanoe of 40' with pest^ and'-oape. The Maggie .Tunnel is <br />160' long and timbered a diatanoe of 2b' frem the portal wlth <br />poste and oape. All of the above tunnels are driven •n their <br />reapootlve veins atter~whioh they are named and are situate at <br />various peint^ en•the aide of the momitaln but no one tunnel <br />directly above ono of the others. <br />Aotivo work is eoniined to ateping in the Etta Oreee Tun- <br />nel and driving the Chaffee Tunnel No. 1. ,_ <br />Addltional exits are provided by an upraise from the Etta <br />~. . <br />Ore ea Twanel to the Maggie Tunnel' The upraise is 120' high and <br />situate 600' from the portal of•the first named tunnel.. An up- <br />raise 76' frem the portal of Ohafieo Tunnel go. l aenneots with <br />the Ohaffee Tunnel.Re. 2. Bot1t upraises are in geed condition, <br />properly equipped and easily aooeaeible. <br />Only single hnn8 dri111ng le dens and ne maohins drills <br />nre emploged. The method of ore extraction 1^ drifting and ever- <br />.. ~ <br />hand etopixg. ... <br />Eeets axd caps axd stalls oevered with lagging 1^ the <br />i <br />