Bisbee daily review., 1910-02-11
CProf. W. B. PhiIlips.)

(Prof. W. B. Phillips.)
 1 have just completed a second visit to the Quitman, mountains. Fl Paso county, and the results of observations made there may be of interest to min ing men.
 The Q1itman mountains are south of the Southern Pacific railway, at and near Lasco switch. nine miles west of Sierra Blanca. They extend from the railroad to the Rio Grande and attain an elevation of more than 5000 feet. The rocks are carboniferous and cri- taccous limestones. cOpped by granite and other igneons flows. Trachyte, andesite and porphyriy are to be ob- served near and south of zimpleman Pass.
 On the east side Of the main range and near the s. P. wei the granite carries ores of lead and zInc, with a
 little copper. On the west side, where the carboniferous limestone is much more extensively developed than on the east side. the values lie in the copper ore. although some shipments of silver-bearing Galena have been made from time to time So far. there has been little or no zine founc on the west side Of the main range.
 At the old Bonanza mine. east side. the Republic Mining and Milling com pany has a mil and concentrating plant for the treatment of iead-zinc ore. The process used was the Sut- ton-Steele dry concentrating process. which has been further developed and much improved by R. c. CanDy. oi Fl Paso. The mill has net been in op- eration for some time. but 1t is re- ported that it is soon to be started again.
 When was there several years ago the tables were making very clean concentrates both of galena and zinc blend and see no reason why. with improved machinery and careful man agement. the enterprise should not succeed.
 The lead concentrates are taken by the Fl Paso smelters. but the zirc has to go 10 Colorado or Kansas. There is good ore in the old Bonanza
 The carborifercus limestone. which is so extenslve'y developed on the west side Of the main range. Is ob- servable at one place on the east side, about half way between the Republic mill and zimpieman's Pass. At this place. however. it carries no values.
 On the west side of the main range nd beginning at a point about three niles south Of Lasca are heavy out rops of hard. blue limestone whica 8 probably carboniferous. but I TO nor concern myseif so much with its age Is with the mineral contents. T. can ,e readily traced for nearly three niles and exhibits about the same lualities throughout this area. It IS reversed by heavy outcrops of gossan. he so-caTed iron of the prospectors' md in every case copper ores have been found under them, malachite' ,zurite. chrysocolla. chai;opyrite and ,ornite. These gOssans frequently contain punches of silyer-bearlng ga ena. with now and then crystals ot xulfenite (molybda'e or lead). but his area is not to be regarded as a ,ilverlead district in spite of the ship nents that have been made
 II is a copper district of consider able promise and very little attention need be given to the lead ores. II these are found in the course or pros Decting well and good, let them be saved and shipped. but the main oo- feet of the prospector should be the location of the copper ores.
 Several cars of copper ore have been shipped and the average Of the hand picked stuff was close to IS per cent in copper and $2 in gold. The best ore that has been taken out gave Z4 per cent copper, 39 ounces silver and 1-32 ounces gold. The wagon haul to the is s1 a ton, with a possible reduction to 75 cents. The freight to Fl Paso is SIPS a ton. so that the total cost of wagon ana railroad freight is $225 a ton.
 There is not much water in the Quitan mountains for operations on d considerable scale. but the Rio Grande is only seven miles distant IL is likely that much additional water could be obtained through wells sunk on the east side in the granite Some mine water may be encountered on