OCR Text |
Show MINING RARE MINERALS. Black Hills Produce Many Metals That Ate Seldom Heard Of. A great deil of attention has been given this past year to the development anel mining of materials not belonging to the precious metal class Near Hill tily thero is a npodumene mine which has produced several thousand dollars' worth of rock that has been sent to Germany for treatment It produce! llthla to the amount of 3 to 5 per cent and Is considered consid-ered a valuable product. It is found In largo white crystals In the. old Etta tin mine and there seems to be an unlimited amount of It. Shipments were made by Herman R.-inhoid of Custer. Sixteen mllei southwest of Custer Is a tilpoll mine which hus bet?n worked almost al-most constantly during the yenr by F. C N. Graydon ot Custer, formerly of (iil-cago (iil-cago Ne-t far from this trlpoll mfne Is a lithograph stone quarry owned by th; Chicago Lithograph and Ml.j oompanj of Custer, which Is now about to test some of the rock for commercial purposes. pur-poses. There are seerul ledges of this stone which are free from grit and will Stand the finest kind e.f etching work. Mon or lesi wolframite has been mined In t,ho Black Hills during the past half dozen years The American Tungsten company has just been organised near Hill City, with headquarters at thai place, which has commenced the erection of hoisting works and camp buildings to handle a large vein of this ore on a Ml; scab-. Considerable mica has also heen shipped from the southern hills to the eastern pointy a carload was shipped to the Standard Oil company from the 'hicago LHhoRrnph and Nib a company's mini) near Custer last month, und It is expected expect-ed that regulai shipments will he m-ol. to this concern hereafter. Quitter county mica is free from Iron and Is excellently suited for electrical purpose .-.. There are a number of excellent mica mines In Custer Cus-ter county. The pant year lias seen v. rv thorough development work In tlx- copper and tin veins both In the southern and northern hills. At Hill City. E. C. Johnson, formerly for-merly of Chicago, has succeeded n getting get-ting a small test mill finished and tlie old Gertj mint unwatered to the 500-foot level. The first test In the little mill showed sufficient tin for a commercial proposition In tiie Rear mil. h district the Tlnton Tin Mining company demonstrated demon-strated on a linger scale, with a loO-ton plant, that a sixty-foot vertical vein Of tin-bearing ore In that camp could he worked -it a vers profit. Mining orld |