Major Group 14: Mining And Quarrying Of Nonmetallic
Major Group 14: Mining And Quarrying Of Nonmetallic Minerals, Except Fuels. This major group includes establishments primarily engaged in mining or quarrying, developing mines, or exploring for nonmetallic minerals, except fuels. Also included are certain well and brine operations, and primary preparation plants, such as those engaged in crushing, grinding, washing, or other concentration