This class includes:
——support services on a fee or contract basis, required for mining activities of divisions 05, 07 and 08: exploration services, e.g. traditional prospecting methods, such as taking core samples and making geological observations at prospective sites; draining and pumping services, on a fee or contract basis; test drilling and test hole boring

This class excludes:
——operating mines or quarries on a contract or fee basis, see division 05, 07 or 08
——specialized repair of mining machinery, see 3312
——geophysical surveying services, on a contract or fee basis, see 7110