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Show WESTERN MINING GAZETTEER. I MIX XU wlcnt jiisdlecr. ILK PL OS 1 numsu cow uni a sii.vfj: dkvosts. 7'CS. The joint committee of the Royal wall Polytechnic Society, the Miners Association of Cornwall and Devon, and the Mining Institute of Cornwall, appointed to inquire into the nature, economy, efliciencv and safety of the various explosives in use, or proposed for us, in the mines of Cornwall and Devon, have issued their report. They regret having been unable to carrv mi t so extended a series of experiments as they would have wished, owing to the limited response to their appeal for funds from those directly interested. The following explosives 1. Gunpowder of five dill' were dealt with : erent grades. 2. Espirs explosive powder, a mixture of nitrate of soda, GO, sulphur, 14, sawdust 20 per cent. S. Guncotton. 4. said to be guncotton combined with nitrate of baryta. 5. Titanitc. 0. Dyna(.-ur- .tss:ssM:xr wonx ox cl a ms. Then? seems to he considerable difference of opinion union'' miners as to the interpretation of the law relating to the time within which assessment work should he done on mining claims. Since the amendment to the law of 1872, it is somewhat difficult for the miner to understand just what his rights and duties are. In this connection, the Scientific Pre, which should be good authority, publishes the fullow- - mg: News comes from British Columbia to the effect that arquerite or native silver amalgam has been discovered there, and in such quantities as to warrant prosecution of the search of the source whence the silver comes. The district where the discovery purports to have been made, is in the vicinity of Vital and Manson Creeks, in a wild mountainous region, almost inaccessible, and wholly without roads. Prospecting for coarse gold in the bed of the creeks has proved profitable, although hut few miners have gone in, owing to the two or three hundred miles of packing' nccessarw For some time particles of whitish metal have been found with the coarse gold in the pan, after washing, but owing to the ignorance of tbe prospectors it was always thrown away, as of no value. Several parties who arrived in San Francisco a few days ago, brought specimens of the metal with them, and submitted them to the State Mineralogit, Henry G. Ilanks, for examination. Assays proved tbe specimens to correspond exactly to tbe arquerite found in tbe mines of Arqueros. in Coquimbo, Chile, where it is the principal ore. The mines are enormously rich, and are the sole producers of this peculiar form of In the first lift ecu years of silver. exploration the mines afforded 200.000 marks of silver. This arquerite found in Ihe The year during which work on claims must be done to comply with the United States regulations, begins on the first day of January. This is required by the amendment to the laws mite, two varieties, 75, mid which passed in March, 1880. "Provided, that and kiose.guhr (or infusorial earth, consisting the period within which the work required to of the siliceous skeletons of microscopic orto be done annually on all unpatcnicd min25 per cent. The second variety eral claims shall commence on the first dav of ganisms) contained less anti some char location the of date of such January succeeding coal and nitrates. 7. Masting gelatine, section to all and shall this claims claim, apply collodion cotton seven to ten parts, combined located since the 10th day of May, 1872. with GO to 93 of pure nitro glycerine, nearly law the from old vear began date all the cotton being soluble in alcohol. 8. Under the of location. Now, however, the miner must Liverpool cotton powder, a mixture of gu.begin his work on January 1st to expend tliec.otl(m ali njtvate 0f p.,tnsh. The first trials 100 on labor ami improvements. A claim were in an Chilean mines assays: Silver, 80 5; mercury, open quarry (Seveock, near Chace- 1 located October 1st, STD, requires the expend- water), a number of boles The British been drilled 13.5 parts to the hundred. having iture within the year of 1880, and whatever to give as far as possible similar conditions. Columbia specimens now on exhibition at the may have been expended during 1870 will not Each competitor bad three boles, and the value Mining Bureau assay : Silver, 80.15; mercury, answer the requirements of expenditure in of work done was estimated from the cost of 11.9; silica, etc., .45 parts in 1)8.5 parts. 18S0. It appears by reason of the change lias not been carried I? c analysis as a standard. Seven different kinds Tbe powder made in the requirements of the act of May, of explosives were used, to far get rid of the silicate. enough three vaii- including G bv the will a claim he seen, however, that those specimens 1872, amendatory law, that eties of powder common, compressed, and It located on any date subsequent to the 1st day The results showed that, assay higher than the Chilean standard, for especially strong. of January, 1870, requires no further expendthe work done to he approximately that runs but 80 5 parts silver in the 100, while assuming iture during the remainder of that vear than proportionate to the depth of the holes, that the Vital Creek assays give SO. 15 parts out of is made necessary bv the local laws. but 9S.5 parts. Tbe specimens under considcommon powder was the cheapest per We hear that in several camps, on the 1st ot foot of hole and eration are flat in shape, ranging in size from dynamite the most costly January, numerous claims were relocated in 3d per foot. The second series of experiments a quarter of a dollar to the size of half a dime. the absence of the original owners. In one consisted in driving levels not less than seven of men band and went a 4 he Denver fnter-Ocun- t out touches an impororganized camp feet high and four and a half feet wide. Six at 12 midnight on the last day of the year, kinds of explosives were tried when it says: Much needed dynamite, tant matter to relocate claims where no one was at work. Espirs Liverpool cotton powder, compressed legislation at the approaching session will be This kind of game, however, will not work, and common powders, ami tonite. Here the passage of an act regulating tbe organizaand if the owner was at hand on his claim at the compressed powder took the lead, the total tion of stock companies. At present any unprinthe usual morning working hour, his rights cost foot run of level having been 5s Hd cipled adventurer may organize a company on would no doubt be protected by the courts if (Is Idperfor materials and 4s Jd for labor); the the veriest fraud of a prospect hole, elect himto contest. it came a dynamite came out fourth, and the tonite was self President and Manager at a salary most expensive. A list of questions referring sufficient to eat up yearly receipts, and then go PERSONAL. to the relative advantages and disadvantages to work selling stock. By making an inexof the various explosives was sent out to about pensive show of doing work on the prospect, Col. W. I. A llex, cashier and resident sec- 250 persons interested in tbe subject, and he cun keep up appearances and pass several in appropriating the receipts from stock retary of the Stormont Company at Silver thirty live replies only were received, some o!- years N which were verv brief. Jn wet grounds, dvna- sales, before he may he expocd as a fraud. Reef, came up from the south on Wednes- mite Then the law provides no reward for such a was almost unanimously declared to bo day evening. Hi the best, and a majority declared for tbe same shark. His only punishment is cutting off of Dn. W. S. Claiik, the new President of the explosive under most circumstances, except his salts. lie has swindled the stockholders Stormont Silver Mining Company, has been very dry ground, where powder was preferred. in a legal way, and he can retire to a brown-stontrout New York, instead of a cell in the Xearlv all agreed that the fumes from dvna- sojourning in the city for two or three davsj mile are tbe most, dangerous, and a consider- - Canon City reformatory, where justice would I)afc The Chicago J'luring Review able weight of opinion intimated that powder place him. Gem Col. E. A. Wall and C. I). Bradley expect was less dangerous to deal with than any otli-l- takes up the strain and says: The rule lias JJrai er explosive. One authority stated that there been for men to vote themselves in as officers leave for the Wood River country inpf dynamite in lis- - and directors, and to get control of the row afternoon always duiigc-- in The latter gentleman has the su rod . . as unburnt portions of the property practically without costs from the contract for sin ,ving tbe shaft on the Million cl,ar-- 0 ground, were blown into the fissures, and ex owners, with a promise that their influence exercised in selling working capital to claim, owned by the Wood River Gold and ploded unexpectedly afterwards by the work-- ; A. We know of one Silver Mining Company, 100 feet, making a men. Iron. develop the property. J. a; instance where men got full control of five total of 275 feet. a. j to do a particlo of t"i",cs- - "A"1 licn ncgloi-tL-The Arizona Silver World, in a pithv, Gen. R. L. Ogdkx, Superintendent of the v ai work. One of the mines was bv winch a truth lia pointed paragraph, expresses Rarbeo & Walker, who has been on a flying other ,)arti,?i uml is viol(lil a500 nrnthiiii : local a It The significance. month by the work of two men. Let those says visit to Chicago and 8t. Louis, returned to this successful mines in Arizona are being worked invest in mining stock pay as much attention city last Wednesday, and this morning reThe same thing may be to the management of affairs as they do to the by practical men, sumed his journey Silver Reefward. T well said of every mining locality in the coun- result of mining; and they will find their J. C. Rollks, Superintendent of the EquitaAnd it be stated as a general rule mining enterprises coining out all right. try. might ble Tunnel, near Alta, was in the city during in regard to unsuccessful mines, that they are the week. During the month of December. 1830, six I2N worked by men who are not practically acfor mineral were in Utah patents properties G. I). Shell, the efficient Superintendent of quainted with the work they have undertaken issued from the General Land Office. the Lead mine, Bingham, is visiting this city. to accomplish. There is no doubt blit what The annual meeting of the stockholders of jj& Major Ki:i:n. 1niLLirs, who owns intelligent and observing men will learn by the Cerro Gordo and Minnesota Consolidated jAn' Dickens of the Charles mine, Idaho was in the experience, but failure is often the price that of be will held at the office Mining Company the experience so far lias cost. citv the company, Frisco, on Tuesday next. To-nit- e, nitro-glycerin- e, nitro-glvceriu- e w - I 3-4- V d n i e ! I o to-mor- -i ! r a t re-locat- one-thir- d ed |