 | | Report (volume) |
| DIRECTOR BuiiIiETIN 574 MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND ADJACENT AREAS BY ALEXANDER................................................. Mining districts...................................................................................... Mining development. ...................... .. - - ' -..................................... 18 Placer mining....... ~................................................................ 20 Present status of mining .....:........................................ |
 | | Report (volume) |
| so successful. Allis-Chalmers Manufacturing Co. Mining Machinery Dept. OFFICES For Canadian MILWAUKEE...Canada THE MINES HANDBOOK Meeting tbe Needs of Mine and Smelter Hundreds of plants on both American...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...(all types) Crushers Crushing Rolls NEW YORK Mine Pumps Oil Engines Sampling Machinery Screens Stamp |
 | | Report (volume) |
| California. THE MINES HANDBOOK, 1922 MACHINERY FOR MINE • MILL SMELTER Embodying recent developments...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...Compressor NEW YORK Crushing Rolls Air Compressors Mine Pumps Ball Mills Blast Furnaces Oil Engines Screens |
 | | Report (issue) |
| ________________ Sequence of formations ______________ Madison limestone. _ ________________ Relation to Jefferson...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.______________________ |
 | | Report (issue) |
| INTRODUCTION. reports are those on the Mercur district, by J. E. Spurr and S. F. Emmons; the Bingham...Bingham The senior author, J3. S. Butler, began district, by J. M. Boutwell, Arthur Keith, and field work on...deposits of Utah in the S. F. Emmons; the Park City district, by J. M. FIELD .WORK AND AUTHORSHIP. summer...author, G. F. Loughlin, began work in the Tintic district in 1911 in collaboration with Waldemar Lindgren...the Leamington district, and of districts in theW asatch Range. Several of the mining districts of the |
 | | Journal (volume) |
| Resumption of Activities at the Howell Mine BY WILL C. HIGGINS The Howell Mining Company, of Salt Lake City, is...property in the South Fork The property of the Howell Mining Com of Big Cottonwood canyon, about twentyfive...the great Cardiff mine, its near to the discovery of the property of the Howell Mining Company, of the...-roots. The discovery of the Howell reads al district has been not most like a romance . ed for its...ment and operation , the richest portion of and mining activities were inaugurated in Utah the Big a |
 | | Journal (issue) |
| Bushes ByMARYBEAL CLOSE-UPS GEOLOGY RECREATION MINING A. 2 Notes on Desert features a n d their writers...their mining in the Castle Dome mountains of western Arizona. This is a picture of wartime mining which...see. Besides being an informative article on lead mining, it is a warmly human story, from the fabulous...d e r s NEWS Here a n d There on the Desert MINING Current m i n i n g HOBBY G e m s a n d Minerals...of the precious antique beads of black, white and red. Often these are found only in the pendant loops |
 | | Book (volume) |
| Sweetgrass Hills in the distance, lying within Montana, U.S.A., is a laccolith of syenite yielding a K-Ar...Saskatchewan and Manitoba in the neighbouring states of Montana and North Dakota. The eastern boundary of Interior...Platform is marked by Sweetgrass Arch extending from Montana into Alberta. The term Alberta Basin is used informally...which is drawn across the top of Hudson Bay along Bell Arch; the related Foxe Basin to the northeast is...corner of British Columbia, and much of the western District of Mackenzie, Northwest Territories. In the southern |
 | Doe, B. R., Steven, T. A., Delevaux, M. H., Stacey, J. S., Lipman, P. W., Fisher, F. S. (1979) Genesis of ore deposits in the San Juan volcanic field, southwestern Colorado; lead isotope evidence. Economic Geology, 74 (1) 1-26 doi:10.2113/gsecongeo.74.1.1 | Journal (article/letter/editorial) |
| Some other deposits (Summitville, Jasper, Red Mountain district) have values of 2ø•Pb/•ø4Pbsimilar to those...have lead isotopiccompositions that are portant mining districts. Studies of lead in the as- more radiogenicthan...applied specificallyto the ores in the Creede district by Bethke et al. (1973) and by Stevenand Eaton...Eaton (1975) and to ores of the Eureka district by Casadevalland Ohmoto (1977). Interaction between lneteoric...to 1976 none had been proven economic. The many mining calnpsof the San Juan Mountains have producedabouta |
 | | Book (edition) |
| . . . . . . . . 211 CHAPTER 15: Catch a Wave: The Evolution of Shorelines . . . . . . ... Catch a Wave: The Evolution of Shorelines . . . . . . . . 223 Breaking Free: Waves and Wave Motion... . . . . . . . . . . . . Dissecting wave anatomy. . . . . . . . . . . . . . ...lab (a seismograph) that records the earthquake wave movements on a printout called a seismogram. CHAPTER...through liquid materials. By recording where each P wave starts and how long it takes to reach the other |
 | | Book (edition) |
| Water ..................... 199 Chapter 15: Catch a Wave: The Evolution of Shorelines .....................15: Catch a Wave: The Evolution of Shorelines ...........211 Breaking Free: Waves and Wave Motion ...................................... 211 Dissecting wave anatomy ..........................................Dummies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ The 5th Wave By :Rich Tennant i::;!:~i - - - "'lov,......lab (a seismograph) that records the earthquake wave movements on a printout called a seismogram. Scientists |
