Show manganese ore vein is found denver discovery in gunnison Gunn lson county near halls siding no a nar row guage line of 0 the denver rio grande western of 0 a vein ot of manganese ore fourteen feet wide which has been proved over a length ot of feet beet and to a depth of 0 feet from the surface was reported by the denver post tests on 50 pound samples made by the colorado fuel and iron company the bethlehem steel company ot of pittsburg and five others were said by the post to have proved the ore to be the highest grade in the world averaging per cent manganese as aa against 49 per cent ot of caucasian ores and 14 2 per cent for or brazilian |