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ven <br />3 is <br />,n- <br />is <br />Rockford - 6. <br />• 13 3 N I N G & 6S I Ii E 1d F: T R O D S-. Contin. <br />but oY too low grade to be profitable. An ore shoot 150' in len- <br />gth gives abetter grade oY ore averaging g7.4 in valve. <br />IIutaeroua shafts and other ozoavations on the surface have <br />been made on the several veins comprising this. group. These were <br />made during the early history or the property and nearly ell oY <br />them are caved in and in very poor condition. Ro work is carried <br />on at.tho surface. <br />Active work is being carried on in the atopea or both the <br />ldagalona and Donaldaon•velna and the Donaldson drift is being <br />oxtended. <br />Tho•npraiae in tho Donaldson drift is divided into two <br />oonpartmonta, one being used Yor abucket-way and tho other Yor <br />a ladder-way. Tho upraise is kopt in good condition and the <br />ladder-way is equipped with safe. aeouro and acoosaiblo loddors <br />with landings 60' to 75' npnrt. <br />Tho tunnel is provided with an ordinary wooden door. Ae <br />there are no buildings near ononeh to the portal to cause dan- <br />gor from fire no Tire-prooT doors have boon provided. <br />Tho aothod oY oro extraction is by Heave of ovorhand atop- <br />ing and drifting. Zeynor, Model Fives, Rand and Sinclair maohino <br />drills boing naod. IIo hand drilling is dono. <br />The mothod o1 timboring ie ntnlla oovored with lagging. <br />Tho timbora arc propared b7 hand from pino. are in good oondit- <br />ion and arc aniTioient to eoouro safety. <br />Chutes nre londod by hand and ernvlty. Undorground trom- <br />mine ie dono with horses and Truax eteol tram oars. The traok- <br />ago is lf3" euaeo and 1G & 20 pound T roils. <br />The nnoun~ oT Antor to bo doalt with Sa omall and Douses <br />no inoonvonienoe. The naturcl oyatoa or drainago 18 ooployed, <br />the tunnel having a uniform grade 01 1/2 por aunt. <br />A Cood ventllation•is provided through a Ao. 4 Connelle- <br />ville auction foa and n 14-in. pipo. A 7.0 h.p. Yairbnnka & Lorao <br />gneoline en~ino in uses to run the fan. !(o nozioua gneoe oro <br />not rith. <br />''''~' i <br />{ ;' ~ <br />`,I' t <br />~jl i <br />ii Iii ~ <br />~s! <br />{ ; ~! <br />' , f <br /> I <br />' ~ <br />~ <br />f <br /> I <br />; , <br />~ <br /> L) <br />~ i ~ . 1, .~ <br /> ~ <br /> <br />f 9~ <br /> , , ,~ <br />~ <br />~ j i i. <br />I . ~i <br /> ~ <br /> ~ ~ ~ iI <br /> <br />":. ` <br />~i i! <br />~, <br />i `'. c ~ <br />,~, <br />,, <br />~ .+: <br />i ,~ <br />I <br />' ~=. <br />~ ~~~ <br />~,I'~'j; <br />,; , ~! <br />r <br />t 1 <br />ii •'" <br />kI~'" I <br />~I <br />~ 1 <br />~ r ~ f <br />' i'i f <br />i': <br />,' <br />t <br />'i i <br />~'. i J <br />I' -~ <br />' ~I <br />i i' Itt; 91 <br />~ ~E' !! <br />I <br />1 <br />