Adjust and operate surveying instruments, such as the theodolite and electronic distance-measuring equipment, and compile notes, make sketches and enter data into computers.

Education: Most occupations in this zone require training in vocational schools, related on-the-job experience, or a diploma.

Expereince: Previous work-related skill, knowledge, or experience is required for these occupations. For example, an electrician must have completed three or four years of apprenticeship or several years of vocational training, and often must have passed a licensing exam, in order to perform the job.

Training: Employees in these occupations usually need one or two years of training involving both on-the-job experience and informal training with experienced workers. A recognized apprenticeship program may be associated with these occupations.

• Survey Party Chief, Survey Technician, Survey Crew Chief, Instrument Man (I-Man), Chainman, Rodman, Instrument Operator, Engineering Technician, Engineering Assistant, Field Crew Chief