Show burd ring wisdom pamphlet published by burd high compression ring company rockford III in the interest of their manufacture of piston rings for mining machinery automobiles tractors etc school of mines and metallurgy published quarterly by the school of mines rollo mo august number dealing with comparative tests of drill bits 16 pp ap and 10 plates bulletin no 72 sullivan machinery company south michigan ave chicago III 24 pp ap dealing with the sullivan rock drill sharpener illustrated articles of nevada mine opera operator foiw or As pamphlet 10 pp ap published by tonopah miner publishing company tono pall pah nev the denver quartz mill crusher company denver colo catalog number 12 deals with the denver quartz mill denver crushers placer Ri fiffles riffles Rif fles files etc 20 pp ap illustrated sewer pipe and drain tile results of experiments at the state school of mines university of utah by E H beckstrand professor of mechanical engineering university press salt lake city 52 pp ap illustrated the american smelting smelling Sm elting refining company an attractive booklet of forty pages descriptive of the companas comp anys plant at murray utah and of the garfield smelting smelling Sm elting com banys plant at garfield utah profusely illustrated lust rated coal field directory and mining catalogue for 1915 directory of coal mines by states and counties exhaustive catalogue of coal mining machinery and dealers engineering data on pumps water friction in pipes mine timbering power required for hoisting specifications for boilers etc with complete tables published by keystone consolidated publishing company inc sixth floor house building pittsburg pa pp ap illustrated cloth price 10 practical geology and mineralogy by NV D hammon B sc the way press south pasadena cal short course in mining science for the student miner prospector and general mining man mail written from practical standpoint revised edition cloth pp ap in illustrated price semiannual semi annual index of the mining and engineering world published by mining world company chicago vol 7 january june 1915 cloth pp ap and index the mineral industry 1914 vol 23 international ter in character gives sources of supply and statistics of production discusses markets and commercial possibilities and reviews the progress of the year in mineral and metallurgical industries edited by G A roush mcgraw hill book company W st new york illustrated cloth price 10 work is progressing favorably in the development of the aurora and eagle claims in the horse heaven section above marys vale utah owned by joe moss henry king and J P moss prom from a shallow shaft a drift t is being run on what is believed to be the wedge fissure and some good ore is being encountered joe moss who was in salt lake last week states that some very high grade gold ore is being mined at the wedge jake jensen and joe conley of wendover utah are developing the spring canyon mine located about eighteen miles southwest of that place this property is reported to he be of splendid promise and al ready a four or five foot vein has been uncovered showing two and a half feet of ore averaging about 35 to the ton in its gold silver lead and copper content although there are occurrences of ore it is the intention to begin ore shipments at an early day i |