30 C.F.R. § 75.501-1 Coal seams above the water table.
Title 30 - Mineral Resources
As used in §75.501, the phrase “coal seams above the water table” means coal seams in a mine which are located at an elevation above a river or the tributary of a river into which a local surface water system naturally drains.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart F—Electrical Equipment—General
§ 75.501-1 Coal seams above the water table.
