• The American Congress on Surveying and Mapping, Suite #403, 6 Montgomery Village Ave., Gaithersburg, MD 20879. Internet: http://www.acsm.net

Information about career opportunities, licensure requirements, and the surveying technician certification program is available from:

• National Society of Professional Surveyors, Suite #403, 6 Montgomery Village Ave., Gaithersburg, MD 20879. Internet: http://www.acsm.net/nsps

For information on a career as a geodetic surveyor, contact:

• American Association of Geodetic Surveying (AAGS), Suite #403, 6 Montgomery Village Ave., Gaithersburg, MD 20879. Internet: http://www.acsm.net/aags

General information on careers in photogrammetry and remote sensing is available from:

• ASPRS: The Imaging and Geospatial Information Society, 5410 Grosvenor Ln., Suite 210, Bethesda, MD 20814-2160. Internet: http://www.asprs.org