Arizona republican., 1909-07-11
GEOLOGY IF
 Il T|RO MINE Asecondl Copper Prop
 ertyNear SiIVerbeN MILLIONS OF TONS 0F ORE
Ten Thousand Feet of De- velopment Show Mine to Compare Favorably With Miami, Ray and Other Large Properties.
By John F. Campbell)

The Fl Tiro copper mine will soon
 be in a position to produce a hali
 million pounds of copper a month
 according to the Botson News Bureau
 an acknowledged authority on the
 copper industry in this country. The
 Fl Tiro is neighbor of that other
 new splendid producer of the red
 metal, the Imperial, controlled by
 Frank NJ. Murphy. president of the
 Santa Fe, Phoenix X Prescott rail- road and his associates.
 Notwithstanding the fact that the
 Fl Tiro Copper company was only organized in 1907, it is about to take an important position in the copper production of the country and to become a big factor in helping Arizona maintain her supremacy of all the world in the output of cop per.
 SiIverbell. the camp where the Im- perial and Fl Tiro mines are located, is connected with the main line of the Southern Pacific at Red Rock by the Southern Arizona railroad. nine teen miles in length. This road is owned by the Imperial people, and besides serving their own mine and their smelter, situated at Sasco. mid way between the mine and Red Rock also serves the Fl Tiro and other nearby properties.
 The Fl Tiro property consists of fourteen claims aggregating 255 acres and adjoins the Imperial mine. The mine has been developed to depth of four hundred feet by the Kurtz shaft, besides which there are several other shafts and various tun- nels. In all, over ten thousand feet of development work has been ac- complished in blocking out great quantities of enriched ore averaging ten per cent copper as well as great masses of concentrating ore of two and a half per cent copper tenor. The deposit is said to contain over ten million tons of ore, placing this property among the great copper mines of the world. In 1907 ten car loads of ore were shipped, averaging approximately ten per cent copper. The development has been both sys- tematic and thorough as the result of the splendid management the prop erty possesses.
 The equipment is modern and eco nomical and includes, besides the necessary buildings for the accommo- dation of the men, store buildings, power plants and 5O-ton experi- mental concentrating plant.
 In all eighteen buildings have been erected complete in all details. There is a 500 horse power steam plant operating the main hoist that is good for a thousand foot depth, a 150 K. w. electric paint, also there gasoline hoists. There are Nordberg, and Sul- livan air compressors, of eighteen drills aggregate capacity.
 The concentrating plant comprises a Blake crusher, a Huntington mill and two rolls for the reduction de- partment. The >contrating part has a vanner, five Wilfley tables an auto matic sampler and Richards pull sater and hydraulic sizer. This plant was built for testing the ores and re- suits have shown that the ore can be easily treated with saving of ap 75 per cent. This com pares with the saving made in other great copper concentrating plants of the country. Now that this small mill has proven what is needed, the plans of the company provide the erection of d larger one having d