Bisbee daily review., 1903-06-30
Y TIE MINING FIELD Operations of Interest Throughout the County of COchise, Arizona
 and Sonora
and Sonora

lege intends to erect subs,antial
 building for this purpose and to. thor oushly equip 1t for experimental work and instruction in the different
 classes of metaliurgicl processes Cyaniding and other wet methods of concentration will be iexemplified in the equipment and elec.rometallurgy
 will receive special attention. It Is intended to install furnaces of larger
 capacity than Is usual in college lab orato. ies. The board of control of the college is taking steps to create a separate department of ore dressing and metallargy. The equinpment for
 this department will be housed in the new metallurgical building and in the
 ore dressing mill now possessed by the college. Besides the amount for a metallurgicai laboratory the bill re- ferred to carries an appropriation of s9 900 for extending the equipment
 of the department of mining
 engineering, which now occupies its
 new building. erected last year. $4.
 900 for completing the equipment of
 the chemistry building. also erected
 last year; s2.000 for providing addi-
 tional cases for the Meteorological
 Museum, and $1.O00 for increasing the equipment of the department of Me chanica Engineering.
 ARIZONA MiNiHG NOTES.
 All the Jerome mining companies sut one have started to observe the eight-hour law. The exception is the Treadwen company. which will here after have all it's work crne by con traca
 Senator Clark is quoted as admit ting that he has refused eighty million dollars for the United Verde, for the reason that be did not know how he safely as in thet property.
 It is said that up to date the United Verde has produced ninety millions of dollars in copper. The property was bought by Senator Clark in 1888 on the supposition of both grantors and grantee that it was & small gold and silver property.
 It is said that the Mammoth mine. sixty miles north of Tucson, uses 50.000 square feet of lumber per month. The property is a low-grade proposition that has been pr5fitatiy Hcrsed for a loEg tu,. Much nf'i.s' machinery operates automatically. ,I
 It is s: ated that the Del Monte group of mines in Santa Catalina mountains. thirty-fve miles east of Tucson. has been sold to Cananes people for S250.- 900. The sellers were Deputy United States Marshal Donovan of Los An geles and John Galley. Of San Fran cIsco.
 A California company is at present at work building reservoir and pipe lines to better handle the placer claims near Greaterville. It Is un- derstood the work wlll necess,tate an outlay of s2oo.0o0. The claims are on the eastern slope of the | Santa Rita mountains and south of ! Tucson.
 The Jerome Canyon Copper compa- I ny. of Yavapai county. is said to have uncovered a ninefoot ledge of red i ore. Assays of the ore g.v. a :.cr cen: m copper. SI:h "Ee gold and silver. The ore seems to be of the same character as that in | he United Verde. M-. J. Smith Is manager of the property.
 About 250 men are employed in the California King mine, in Yuma coun- ty. The mine is reported to be be yond the stage of experlnen-. and the eaching plant is being run t. it's full The present outpu! is $50 tons of ore per day. Many of the ;.oS Aholders are Los Angc.es parties MT. R. K. Humphreys is mining su- 
 A correspondent of tie 4 -izona Ar -,z gays tkat there are many prog ,erous mines h the southern part of Nohave county, Arizona Among .hese he mentions Newmsn's mine. 8. |, he head of Bonanza Wash. where tho ,haft is down 1s0 feet; Mott's mine md mill, where sS0 rock has been sb- aimed; the Granite Slate mine. worked by MT. Hill: the Burro mine. ,wned by the Monmouth Develop gent consrrIy. and supe;i reEd"j " Dr.. J. P. Wallace. and the Doyle epd Ianc mine. over in the Aubury dis