Free-air gravity field of the Norwegian-Greenland seas [cartographic material] / compiled by Manik Talwani and Gisle Grønlie ; drawn by Portia Takakjian, Lamont-Doherty Geological Observatory
Scale approximately 1:2,900,000 at 70° N (W 30°--E 30°/N 81°--N 60°).
Note:
Depths shown by contours. Bathymetric intervals and undersea features printed in reverse on verso. Designed to be read through the map using a secondary light source. Annex copy inserted in pam binder with folder (40 cm.). Original envelope pasted on front cover.