Mining Safety | Mining Health and Safety Legislation in ...
17. Surveying, Mapping and Mine Plans. 1) DEFINITIONS In this Chapter, unless the context indicates otherwise"bedded mineral deposit" means any reef, coal seam, lode, mineral bed or fissure, which occurs conformably within it''s country rock and is not of a massive nature; "chart datum" means the height referencing datum as determined by the Hydrographer of the South African Navy;