 | | Report (volume) | | of metallic values from the ores of copper, zinc, lead, gold, silver, graphite, molybdenum, mercury, etcetera...so successful. Allis-Chalmers Manufacturing Co. Mining Machinery Dept. OFFICES For Canadian MILWAUKEE...service from Superior Jaw Crusher Worthington mining equipment the from the standpoint of first cost...most wear, Worthington meets the needs of the mining industries with a complete line of products, from...Mills PUMPS, COMPRESSORS, OIL AND GAS ENGINES, MINING AND SMELTING MACHINERY CTON JOHN D. RYAN, |  | | Report (volume) | | of metallic values from the ores of copper, zinc, lead, gold, silver, graphite, molybdenum, mercury, etcetera...Hydraulic TurbinpM MILWAUKEE, Metallurgical Machinery Mining Machinery Perforated Oil l-:imini-- Metals I'liiiiliini:...are getting the most in service from Worthington mining equipment — :the most from the standpoint of first...power consumption. Worthington meets needs of the mining industries with a complete line of products, from...Mills PUMPS, COMPRESSORS, OIL AND GAS ENGINES, MINING AND SMELTING MACHINERY CTON m "The Paramount |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS · OF THE TINTIC MINING DISTRICT, UTAH BY WALDEMAR LINDGREN AND G. F. LOUGHLIN...Latite tuffs and agglomerates .... . 54 Volcano Ridge . ............. . Laguna ..................... ...... . ... . . . 55 56 Augite latite of Volcano Ridge ... . Distribution ................ . 56 Lithology....... . PART II. History of mining 'and· metallurgy in the Tintic district, by V. C.l!eikes .................................. . Lead ore .......................... . Copper-lead ore ..... . ............. |  | | Report (issue) | | mineralization of the Idaho Springs and Central City Mining Districts, by Helen W. Folger....................Generation and interactions of mine drainage at the Argo Tunnel, by Kathleen S. Smith....................................... Photographs showing: 16. Early ore mining underground........................................................................... 17. Argo Tunnel buildings, dump, and ore loading chute prior to........................................ 18. Argo Tunnel in operation during the 1930's................ |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF THE BONANZA DISTRICT SAGUACHE COUNTY COLORADO By HORACE B. PATTON 1915 DENVER........ . . . . . 69 Rock formations in mine and tunnel................... 74 Vein systems . . . . . ..... . . . . . . . . . . . . . . . . . . . . . 78 Pyrite . . . . . . . . . . . . . . . . . . . . . . . .................... 83 Veins cut by the drainage tunnel.......... . . . . . . . . . 86 The Antoro mine.... . . . 117 Origin of the ores of the Bonanza District ................. . SUPPLEMENT . . . . . . . |  | | Report (volume) | | Jervis N E ^'MTOLIVE Dover * DISTRICT o ; +j KfeouEST DISTRICT .JHocKettstown * AHLES / /...the Dover district and by Hotz (1953) in the Ringwood district. A report on the Edison district by Buddington...sedimentary rocks of Paleozoic age (the Ridge and Valley province). Within the area of pre-Cambrian rocks...Sims (1953), on the Dover district, and by Hotz (1953), on the Eingwood district in New Jersey and the Sterling...Sterling Lake district in southern New York, also describe the rocks in detail. The following descriptions |  | | Journal (volume) | | Bingham, Utah, Mining Black Sand Page. Abbott, James W A Visit to Ely, Nevada Mining at Bingham, Utah...Greenwater District Ditto Ditto Ditto Abyssinia, Minerals In The Requirements of Modern Mining 70S 52...Charles [64 James W. 82 431 114 Nelll 815 District, British W Columbia, The 783 431 795 736 241...Tube-Mill Lining Forbes Rlckard 511 17 The Boundary District The Mineral Output of. In 1906 Broken Hill, Acid...D. Del prat Brown, Walter 8 A Filing System for Mining Engineers llucke, Horace W The Meaning of stria |  | | Report (issue) | | 69 69 69 69 69 70 70 70 70 70 70 71 History of mining, by V. C. Heikes.__________________ The first prospectors...Cotton wood area. _________ Regulations governing mining locations____________ Early shipments and experiments...Electric power________________________________ Mining-_______________________________________ Milling...____ Big Cottonwood district.________________________ Little Cottonwood district.______________________..._____________ Lead ore and concentrates _______________ Zinc ore_______________________________ Copper-lead ore |  | | Report (volume) | | periods of exploratIon that ultimately led to a mining "boom ll in the 1950 IS. Since I ts meager start...Tallahassee Creek distrIct in Fremont County. Uranium, recoverable by solution mining of Upper Cretaceous...evaluated In Weld County. VBlntype uran I urn occurrence 5 are typ I fled in Je f farson County by the Schwartzwal...occurrences In the state, with cross-Indexes by county, host rock, and the special categoriesof "Front...occurrence data. Additional sources Included private mIning and exploration companIes working In Colorado, |  | | Journal (volume) | | XVI April 15, 1914 March 30, 1915 The Salt Lake Mining Review 1601 Walker Bank Building SALT LAKE CITY...C. Higgins 15 17 Recent Progress at the Alta Tunnel .: By Murray Schick . 18 19 Pack Creek , Utah...Goldfield Con . Civil Service Examinations The Sells Mining Company Engineers and Millmen United States Smelting...trict. By George H. Ryan 13 20 California Oil and Mining News. By G. Chester Brown . TOT 10. 191 .. ;19...27 By Will C. Higgins . 28 the Metallurgy of Lead. 29 32 . Coal Notes and Personals Plans for Daly |  | | Journal (volume) | | THESALT LAKE 689388 W G E N I I V N E I R M ... MINING REVIEW Table of Contents , Page 24 Index To Advertisers...SALT LAKE CITY , UTAH Il f 2 THE SALT LAKE MINING REVIEW , APRIL 15, 1915. Products of the Experience...attention than to OTHERBRANCH the Engineering and Mining Trade.BUSINESS Carrying a dowe full line give in...KANSAS CITY. MO . Glant Belting THE SALT LAKE MINING REVIEW , APRIL 15, 1915. 3 Built for underground...ELECTRIC COMPANY . age at Rochester and Pittsburg Mining Company and equipped with three motors. Each of |  | | Report (issue) | | California Issued California State by the Mining Bureau Francisco. Ferry Building, San Lewis ...transmit Bulletin honor to F. George Bureau: Mining Ornamental the Honorable and California, of...CALIFORNIA APPENDIX—CALIFORNIA 121 ---------- STATE MINING BUREAU 159 ----- LIST No. Relief 1. of...Hydraulic Mine,” in 41 County Amador at Volcano, Flat, Cherokee County 41 Butte 9. showing ...Mountain. Pala surface, showing Weathered Diego County. San Diorite, Dehesa, Orbicular (natural size) |  | | Journal (volume) | | they lie not ahead of any thing yet found on this ridge. This mine has also been explored and equipped in...ready made out the State. At Forest City, Sierra county, to be thankful for a good deal. The telegraph...heavy storms interfering with travel, and loss of property on the beacheB; Washington and all the avenues...eters A — To drift mining, a method by which hydrau- ready achieved mining operations are sometimes...supplemented, the remarks in an article on hydraulic mining last week may be largely applied; this branch olfcthe |  | | Journal (volume) | | of Alfred Brile, superintendent of the Kentucky Mining and Smelting Company, we have the following report...different mines. The furnace was started without lead in the lead well, and after a run of four hours, seven...and the Hartsfeld Portable Smelting Furnace and Mining Co., Newport, Ky. The latter-named company will...Nevada county, that a hydraulic gravel elevator is soon to be placed in operation on the property of the...well-known North Bloomfield Gravel Mining Company, at North Bloomfield, Nevada county, this State. We have interviewed |  | | Journal (volume) | | Montaoa Co., Limited," and Bhowing a vertical section of seems that in London, recently, also an eDgraving...coal famine " in California the Oregon coal-mining helping is Near regions. Marshfield heretofore...Coos Jubilee and other rich shoots might be cut in county, in which Marsh&eld is situated, has a the eOOfoot...are provMed with slideFe railroad will build in Southern California doors O and balance-doors 7), with...slide open whir.h will be used in track-laying in Southern and at the same time opan the front furnacecharged |  | | Journal (volume) | | 4000 Salt Lake 3VHA مم • THE JOHNNIE MINING & MILLING COMPANY. - Illustrated . E rn lectre...lectre cel 2 Weste THE CROWN POINT GLOBE MINING COMPANY . - Illustrated .. سر/ SerT 19 CE W E VI ...Smelter Supply Co. SALT LAKE CITY , UTAH 2. THE MINING REVIEW , SALT LAKE CITY , UTAH , APRIL 15... IN the latter part of 1908 the Pioche Golden Mining Co., of Pioche, Nev ., bought of one g ofPrince...gThis week we sold to the Gold and Silver Prince Mining Company , bwhedosythe samepeople) of Pioche, Nev |  | | Journal (volume) | | Exposition.* G. Dodd, the superintendent of the mining departof the Union Iron Works, it will readily...Between Bear mountain and Gopher Ridge, in Cala- ; veras county, Cal., lies Salt Spring val- Through...northwestward to Valley Spring. Bear mountain and Gopher Ridge are ley. composed largel.y of diabase of various...greatly varying size. The gold-bearing quartz of the district is associated with these dykes, usually constituting...are at present the most extensively developed property in the valley. The accompanying hoist illustration |  | | Corporate Document | | in 1891 in northern Idaho’s Silver Valley, Hecla Mining Company is the largest primary silver producer...pre-development/exploration properties in four world-class silver mining districts in the U.S. and Mexico. Hecla is headquartered...Corporation. We purchased the Monte Cristo gold property in Nevada. And, as of this writing, we have an...large land package with exploration potential, a mining-friendly jurisdiction, and excellent miners and...and to become a recognized safety leader in the mining industry. M E E T I N G T H E N E E DS O F A C |  | | Corporate Document | | 1,321 11,090,506 8,919,728 186,997 119,989 Lead production (tons) 40,255 30,374 Zinc production...Depreciation, Depletion, and Amortization (GAAP) section in the company’s Form 10-K, included in this report...Amortization (non-GAAP) to Net Income (Loss) (GAAP) section in the company’s Form 10-K, included in this report...h a re holde r let te r As you well know, the mining sector has While the downturn in the precious...advantages is that we produce four metals: silver, gold, lead, and zinc. Thirty-nine percent of our revenue at |  | | Corporate Document | | in 1891 in northern Idaho’s Silver Valley, Hecla Mining Company is a leading low-cost U.S. silver producer...properties in five world-class silver- and gold-mining districts in the U.S., Canada, and Mexico. Hecla...321 735 8,919,728 6,394,235 119,989 55,496 Lead production (tons) 30,374 21,074 Zinc production...Accounting Principles (GAAP) measurement. Gold, lead, and zinc produced have been treated as by-product...found in the cash costs per ounce reconciliation section in the company’s Form 10-K included in this report |
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