This U.S. industry comprises establishments primarily engaged in providing support activities for coal mining (except site preparation and related construction activities) on a contract or fee basis. Exploration for coal is included in this industry. Exploration includes traditional prospecting methods, such as taking core samples and making geological observations at prospective sites. Performing geophysical surveying and mapping services for coal on a contract or fee basis--are classified in Industry 541360, Geophysical Surveying and Mapping Services; Operating coal mines or quarries on a contract or fee basis--are classified in Industry Group 2121, Coal Mining, based on the type of coal mined; and Site preparation and related construction activities on a contract or fee basis--are classified in Industry 238910, Site Preparation Contractors.
