Relief shown by gradient tints and spot heights. Depths shown by gradient tints and soundings. Also shows ocean currents and explorers' routes. In Armenian; copyright statement and title in colophon in Russian. Copyright: GUGK SSSR 1989 g. Issued also on 2 sheets without plastic-film covering. Includes notes. Publisher's no.: I-3779. LC copy annotated in ink.
Contributor:Soviet Union. Glavnoe Upravlenie Geodezii I Kartografii