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Pine Grova - ... <br />0 i? ~ S & O~ .T'. 13 0 I) I ~ - Contin. <br /> <br />'P <br />i <br />i <br />i <br />~; <br />~~ <br /> <br />i <br />~~~ <br />the north and the strl7ce northonst and oouth:•rost. Tho vole <br />varlos In width ~?ron 1' to 5', vrith an nvorago width oP 3'. <br />Zongth, 200'; height, 250'. So far as 7rnorrn them 1s only <br />one ore shoot. The enoloaing roo7rs rra grnnito and sohiat <br />and tho gnnSue is tale. Tho charnoter of voin Yining 10 Iron <br />sulphides, quartz and porphyryr and tho metals aro gold, sil- <br />ver, ].end and copper. All i:~oric is coafinod' to davolopmont nncl ' <br />no oro is shipped Por treatment so that tho averngo valuo onn- <br />-not be given. <br />S U R F A C 1; P Z A Ti T <br />Thexo are no buildings noar the tunnol and no moohlnory. <br />:~ flro-proof door is not naodod nt the portal o$ the ttuinol. i <br />r -r p I. o .°. I Y E S <br />California Giant - 40~; Gornan Tnoolold Paso; 6-S pops <br />and woodon tamping burs are omployod. >:xplosivos in orooss oP <br />ono day's sul.nly nro not kopt tindorground. <br />Tho avorngo amoiuit oP oxplosivos 7cept 1n ctorngo 1e <br />i <br />600;;I. Thin is 7copt inn frame, iron-oovarofl angozino oitru~to <br />125' wort of tho portal oP tho tunnol and usod Por tho otor- <br />ago oP powflor onl.r, ~ <br />The dovloe for thawing povrdor 1s n t1n tnn7c hoatod Uy <br />moans oP hot vrntar. <br />I d III T 71 G & P'. I I i r I. I: T H O 1) 9 <br />Tho pllaft on tho plno Grovo voin is1.60'~1n flopth. Tho <br />dlton Tunnol 1s boing drlvon to intorooot thlo shaft vrhora <br />nn uprnlso x,+111 than bo rondo to oonnoat w11:h tho nhol't. IIo i <br />wo•r]c is anr2lod on in tho shaft nt thio t1no. ~ <br />Tho dlton Tunnol 1n 2;.'.00' 1n longth and 1t vr111 bo noo- <br />oonnry to clrlvo 2t nnothor 260' in o•rdor to oonnoat n•1th tho <br />Pino Grovo shaft. i <br />^ <br />bi <br />i <br />ifl <br />i <br />ith <br />na <br />i <br /> <br />