An authorized publication for members of the Military Services; contents are not necessarily the official views of, or endorsed by, the U.S. Government, the Dept. of Defense or the Defense Mapping Agency Inter American Geodetic Survey. Description based on: Vol. 31, no. 5 (May 1981); title from caption. Latest issue consulted: Vol. 40, no. 1 (Jan./Feb. 1989). Includes color copy of Inter-American Geodetic Survey emblem.