Exclude Helpers (H866) and Drillers, Oil Well (E614).
Set up and operate drilling machinery to drill holes in earth or rock, using hand or machine drills. May bore or burn out blasting holes to obtain samples of strata for analysis of geological character of ground, nature of ore, strength of foundation material, etc. May drill holes by hand in specified pattern and location in ore, earth or rock to facilitate planting of explosives. May drill wells supplying water to communities and households. May be designated according to type of machine operated as Reciprocating-drill Operator, Rotary-rock Drilling Machine Operator, Wagon-drill Operator, Core Drill Operator.
Last modified: October 16, 2001