Bisbee daily review., 1911-08-15
fsnecial To rhe Revlaul

 ping to the shelter at a rate which heretofore has not been reached. All this is due to the completion Of the new min, the only one of it's nature in this vicinity, which in truth is an eleetrostatic plant.
 The mill was erected on account of the refractory nature of the values in the concentrates. there being copper, silver. zine and lead in most of the ores of the company. The company has been unable to handle these con centrates at a profit in the past ex- cept in the cases where clean lead or zine ores are obtained and during the past six or eight months the con centrates containing these two metals have been piled up close to the old mill awaiting the erection of the cleo trostatic plant which would treat the} The concentrates which Aafr heer stored in this manner naturally be came oxidized 10 some extent and these will be given a cyanide bath be- fore treated. The tanks for this pur- pose have been installed and are now ready to receive the material.
 The concentrates are trammed from the old mill to the new one. a dis tance of about 400 feet, and raised to the level Of the bins by means of an elevator. Aftor being sampled they are dumped into the bins. From the bins they pass to the drying turn- ace, being conveyed there by belt. After being dried they are elevated to the floor above where they pass through a 2-millimeter screen and la ter they are sized on l6 and 40 mesh screens, thus obtaining three sizes. Leaving the screens they are elevated to the bins in the upper portion Of the mill by a bucket belt. aud from here they are fed to the ten Huff electro static separators.
 The new mill was placed in opera ton this week and since the power was turned on it has been operating satisfactorily.
 Old Mill Running.
 The old mill continues to operate steadily, although until the new mill was completed and placed in opera ton, it was only running one shift daily. The old plant includes a new Blake 20 crusher which was but recently installed, three sets Of rolls, three figs. four Diester and three Will Hey tables.
 Electricity is the motive power for both mills, in fact in a short time all the machinery of the company will be turned by electricity which is ob- tained from the Cananea Consolidated Copper company, line carrying 23,OOO volts having been constructed to the property recently.
 During the month of July an aver age of one car load of lead concen- trates were shipped to the smelter These averaged 70 per cent lead and 70 ounces in silver to the ton
 The Chivera mine of the company is where most of the ore has been obtained in the past but it is believed that in the near future the Catalina No. 1 will be furnishing it's quota Of ore for the mill. The Chiyera's low est level is at 525 feet, where sta tion has been cut, the stump being about % feet deeper. There has been a large ore body developed on that level and is at present being stopped. The body is known to be 150 feet long bv 25 feet wide and walls have not vet been encountered. The ore aver ages about 1 per cent copper, lead, zinc and silver and is of good grade. This body is not in the same locali- ty that the copper values run up to and , per cent, being considerably southeast, and on a lower level.
 The shaft is an incline, extending t0 the 300 level From there a winze is sunk to the 425.
 The Catalina No. is at present be- ing unwatered. An electric hoist was recently installed here and the water, which was within 35 feet from the surface, has been lowered to the 2"e level with nothing but en@ bucket The shaft is believe. ue about 225 feet deep. The dump Of the Catalina No. l contained consid erabIe ore and over 400 tons have been recently hauled by wagon to the mill a distance of about one mile, the last of the ore being hauled this week The Catalina is but short distance from the power transmission line and but little expense was incurred in in staIling the electric hoist. Lon Kelly formerly foreman of the Chivera mine is foreman at the Catalina R. $. Da wis succeeded him at the Cbivera.
 Under the superintendency of J. N aIauser. who has been in charge ol the property for the pagt ten months the property has shown considerable improvement. More or has been open ed up, the mill brought up to stand ard necessary to handle the class o ores mined and the operations con ducted in a manner which willeb cer tain to have it's good results.
 He is ably assisted by c. E. Stra chan who is in charge of the mills
 Judging by the ore exports througt the port of Agua Prieta. the mining ln dustry in northeastern Sonora, trlb utary to Douglas, Ariz-, is picking up The total value of shipments in Jul amounted to 1.453.50O pesos, compaE ing very favorabiy to that of June when the value Of the exports amount ed to s57. 800 pesos, g gain of 60l,oO' pesos. The values in the various min erals were as follows: Copper, l.elZ GOO pesos; silver 2ss.7e0 and gol' l7s.2O0. The shipments amounted t' 2e5 cars or 1.719 tons. The Lampazo mine shipped two bars of silver bul lion weighing 53 pounds.