<p>MIL-HDBK-850, MILITARY HANDBOOK: GLOSSARY OF MAPPNG, CHARTING, AND GEODETIC TERMS (21 JAN 1994) [SUPERSEDING GLOSXMCGTERMS, 4TH ED]., The purpose of this glossary is to provide a comprehensive and authoritative source of current usage of mapping, charting, and geodesic terms for all levels of users to held them communicate effectively.</p>