Mines and mineral resources. COLORADO Crested Butte district. Output daily, bituminous coal; proposed shipments anthracite coal. RepUBLICAN. Dec. 3, 1881 p.5 c.l Rate on ore shippedto DENVER Rep. Dec. 4, 1881 p.6 c.l Coal used at smelters; list, Leadville dist. Rep. Dec. 29, 1881 p.6 c.l Coal veins worked, Colo. Coal & Iron co.; smelting. Rep. Jan. 2, 1882 p.2 c.l-2 Colorado Anthracite co. purchase coal labels; activities. Rep. Jan. 3, 1882 p.6 c.2