How do they match: Surveying and Mapping Technicians

  • Supervise or coordinate activities of workers engaged in surveying, plotting data, drafting maps, or producing blueprints, photostats, or photographs.
  • Check all layers of maps to ensure accuracy, identifying and marking errors and making corrections.
  • Compare topographical features or contour lines with images from aerial photographs, old maps, or other reference materials to verify the accuracy of their identification.
  • Determine scales, line sizes, or colors to be used for hard copies of computerized maps, using plotters.
  • Perform calculations to determine earth curvature corrections, atmospheric impacts on measurements, traverse closures or adjustments, azimuths, level runs, or placement of markers.

  • Supervise engineering or other technical personnel.