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617 <br />Title. <br />Owner or Company:-The American Mining and Milling Company. <br />Inoorpot~ated under the laws of the State of Colorado. <br />Capital Stook:-3100.000.-Shares,par value:-31.OO.eaoh. <br />Principal office looated at,~ I20 Tremont 9t.Boaton,Masa. <br />Branch office looated at-Breokenridge,Sumsit Co.COlorado. <br />Pres.&.Treas;-G.H.Gibaon-Address-I20 Tremont St.Boston,Maea. <br />Secretary: David Rand-Address-I20 Tremont St.Boaton,Masa. <br />Manager:-William Mitchell-Address-Breckenridge Summit Co.Oolo. <br />Date oP original loo at ion:-I880. <br />" " " openings:-IgBO. <br />Altitude:-II.OOO.Charaoter of ausfaoe:-Mountainous. <br />streams:-Upper Blue River-Timber:-Yea.Roada:-Yea. <br />There is a U.S.Geologioal survey of the district. <br />Structure and character of country rock:-Lime and Quartzite. <br />Ore bodies. <br />The ore bodies in thin property lay in the contact between the <br />lice and quartzite the strike being N.E.8c.9.W,the dip being in <br />general to the eaat,the vein averaging in width about two Peet <br />and being opens-i for about 100 Peat in length-Oharacter oP the <br />enclosing rooks;lime on the hanging wall, and quartzite on the <br />foot wall. <br />ores. <br />The ores are concentrating and milling in oharaoter,the metals <br />an~i minerals being Principally zinc and lead,oarrying about <br />25 per cent zino,and 7 per cent lead with a small quantity of <br />silver about 3 oz. to the ton <br />Surface plant. <br />There is a I-60 H.P.boiler on the property in the oonoentra- <br />ting mill also a 35 H.P.horizontal engine the same not now in <br />use. <br />Surface transportation:-A wagon road from Breckenridge in the <br />only meant of transportation. <br />Explosives. <br />Gelatine powder 40 Der cent is used in blasting with Oerman <br />Lnaolod Puce-NO metal tamping bare are employed wooden tamp- <br />ing beta being provided-NO powder man employed-NO magazine. <br />