Job Description:

• 1) Supervises and coordinates activities of field crew engaged in obtaining substrata core samples for analysis of geological character of ground, nature of ore, or type and strength of foundation materials: Directs workers engaged in transporting bulldozers, trucks, core drills, and other machinery and equipment to work area.

• 2) Directs workers engaged in boring operations and determines sequence of drilling, bit pressure, rate of feed, and location of drillings to comply with specifications.

• 3) Removes cores and samples of formations from borings, and conducts preliminary geological classification based on color and density of sample, and type of material, such as clay, gravel, or silt.