 | | Report (issue) | | Prepared in cooperation with the California State Mining Bureau ..!' . ,(".1\\. lit ~.'..JI ,~~ UNITED...Prepared in cooperation with the California State Mining Bureau Class,_ _ _ __ Book _____ GPO 16-50254-1...____________ Previous geologic studies of the district- _ _ ________________________________________...______________________________________ _ Bunker Hill mine _________________________________________________________...__________________ ~-----------------------------~ines on Carson Hill ______________________________________________________ |  | | Report (volume) | | 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, ...OF THE BOARD OF DIRECTORS OF THE ANACONDA COPPER MINING Co., WHOSE BUTTE MlNES YIELD 10% OF THE |  | | Report (issue) | | Wate,·s. E.W. NEWTON, L ocal assistant in Polk county. (4) • OFFICE OF THE GEOLOGICAL SURVEY,} JEJ<'FERSON...and it contains a descriptive reference to every county in which coal is known to exist. Special effort...relating to Randolph county. The notes for the appendix on the methods of coal mining were almost entirely...PAGE. l. Clark county....... . . . . . . 52 29. Nodaway county .•... 100 2. Scotland county .......... 53...53 30. Atchison county..... 101 3. Schuyler county.......... 54 31. Holt county .......... 1()2 4. Putnam |  | | Report (volume) | | the Goodrich quartzite, Palmer area, Marquette County, Michigan, by R. C. Vickers. --(G) Wall-rock control...pitchblende deposits in Golden Gate Canyon, Jefferson County, Colorado, by John W. Adams and Frederick Stugard...uranium deposits in the Red Desert, SweBtwater County, Wyoming, by Donald G. Wyant, William N. Sharp...in oolitic limestone near I /Tayoworth, Johnson County, Wyoming, by R. R. Guilinger and P. K. Theobald...(L) Uranium and copper deposits, Coyote district, Mora County, New Mexico, by C. M. Tschanz_________. |  | | Report (volume) | | DIRECTOR BULLETIN 527 ORE DEPOSITS OF THE HELENA MINING REGION MONTANA BY ADOLPH KNOPF WASHINGTON GOVERNMENT............................ Historical sketch of mining.................................................................................... Marysville district..................................................................................... Elliston district.................................................................................... Twin. City Mining & Milling Co.'s mine.......................... |  | | Journal (volume) | | California OF MlNE&siTY of AV,S RY I ( 59 Amador County, IRY BUILDING, 9 LIBRARY STATE OF CALIFORNIA...containing several thousand books and on geology, mining, mineralogy, chemistry, metallurgy, and related...devoted to the petroleum and mining industries, and newspapers from the mining centers of the state exhibits...California minerals and a conference room with a mining engineer in attendance to serve the public and...mineral resources, mineral industry, geology, and mining operations of California is distributed to the |  | | Journal (volume) | | machines, ventilating apparatus, emery wheels, mining and milling machinery. Particis being given to...employ a large foroe of skilled workmen. a Mining and Scientific Press. through the rotten boards...and Salt- habitants, nearly all of whom follow mining for an occupation. From Huatajia it is about peter...Juan."J [Written Huatajia, is the most productive mining-camp In my last letter (page 448 of Dec. 14tb)...plenty of water could be obtained, but should the mining fail the water can be used for power and for transporting |  | | Journal (volume) | | Mil' i I ';> ?mii Wmmh 11181 \ lMINING / DEPAfiTtriEiT Of Library Numbrr; M / Return...SD^al loan. / permJssie INDEX TO) VOLUME Mining and I imiin n ni 1920 it^!/f/vt n nun t...Consolidated Gold Fields of South 881 Africa 747 American Mining Congress Editorial. 752. 790, 826 Ditto 215 Co...book review. Beck, E. G. . . Belmont Shawmut Mining 33 . Editorial .... . 89 on . . . 166...Coeur .dAlene Gas-masks. ... Bullard, E. D Bunker Hill Enterprise. T. A. Rickard. .195, 227, 335, S. F |  | | Journal (volume) | | ready made out the State. At Forest City, Sierra county, to be thankful for a good deal. The telegraph...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...drift method, only worked part most mining extant. While drift mining is, to some claims there are for the...the placer deposits in a small way. Drift mining, though it yields extent, practiced wherever much abound |  | | Journal (volume) | | coal famine " in California the Oregon coal-mining helping is Near regions. Marshfield heretofore...such method or process shall, after over the shaft ^ at ing to start the garding the reserves...Coos Jubilee and other rich shoots might be cut in county, in which Marsh&eld is situated, has a the eOOfoot...of the dust will be California.yThe Southern Pacific, too, does not tff'''^neElect the lower portion...& Co. o( years, $21,841,000. this city. — Mining and Scientific Press. chase (50F?.F^ESP0JMDENCE |  | | Report (volume) | | Pitchblende Deposits in Golden Gate Canyon, Jefferson County Colorado GEOLOGICAL SURVEY BULLETIN This report...Pitchblende Deposits in Golden Gate Canyon, Jefferson County Colorado By JOHN W. ADAMS and FREDERICK STUGARD...__-__-____________-__--_-___-____-_-___-Union Pacific deposit__--_---__--__--_--------_--_-__---------Mineralogy...______________ Wall-rock control at the Union Pacific deposit_______________ Buckman adit deposit___...Geologic map and section of the Union Pacific deposit, Jefferson County, Colo__----____----_--_--_--_--_- |  | | Journal (volume) | | may be placed at any con- venient point on the river-bank a long diatanoe Frank A. HoDtkngton of from...an oval alot By eliding the oylinder along the shaft any de- in mloing regions all over the coaat. made...have Mining and Scientific Press. The Miners' Association of Nevada Co. At the recent Mining Convention...Convention in Nevada City, J. S. MoBride of North San Jnan was elected obairman. In accepting the poBltion...crops Is Illimitable^ while the area for profitable mining Is very limited the world over. This and other |  | | Journal (volume) | | indeed. In the mater of rivers and harbors the Pacific Coast is badly off, there being very few good ones;...one exception, there has not been an important river and harbor work undertaken in this country during...donment of the present indiscriminate efforts at :) river and harbor improvements of the General Government...of Alfred Brile, superintendent of the Kentucky Mining and Smelting Company, we have the following report...and the Hartsfeld Portable Smelting Furnace and Mining Co., Newport, Ky. The latter-named company will |  | | Journal (volume) | | raya it never receives the of the ann. — — Mining and Scientific Press. Mineral and Other Resources...the Press by Jambs H. CaosBMAN.J Providence Mining District, SUaated on Providence MoDDtain, haa been subdivided...respectively as the Trojan, the Gold Bait and the Arrow Mining Districts. Providence Mountain haa been previously...oping in an industrial way very rapidly, probaby a shaft 30 feet deep. The grade of ore is §20 bly more rapidly...The Gold Belt Mining District, the collection of information regarding the foron is district, Providence |  | | Book | | individual deposits or districts. (in brackets country, district, deposit reviewed): Adamek P. (Scandinavia), Adams...Africa, Namibia), Chenoweth W. (Colorado Plateau, USA), Coste A. (Limousin, France), Cuney M. (granites...Grauch R (western USA), Gautier A. (breccia pipe deposits, USA), Halladay Ch.R (eastern USA), Harshman E.N...N. (Wyoming Basins, USA), Hruby J. (CSFR), Kolb S. (Bavaria, W-Germany), Krol W. (Eastern Europe), Matos...(mineralogy, metallogenesis), Robertson J.A. (Blind River-Elliot Lake, Canada), Ruhrmann G. (Saskatchewan |  | | 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, |
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