Summary: Shows southern boundary of continuous permafrost ground and Northwest Passage/Northern Sea Route. '78635 7-70.' North Pole at map center. Vertical meridian at 100°W/80°E. imperfect: Annotated in black marker ink/lead-pencil, taped at edges. Incl
Summary: Shows southern boundary of continuous permafrost ground and Northwest Passage/Northern Sea Route. "78635 7-70." North Pole at map center. Vertical meridian at 100°W/80°E. imperfect: Annotated in black marker ink/lead-pencil, taped at edges. Incl
Map size: 18 inches x 24 inches | Ready to frame in standard size frame | Frame not included | Archival quality reproduction
Summary: Shows southern boundary of continuous permafrost ground and Northwest Passage/Northern Sea Route. "78635 7-70." North Pole at map center. Vertical meridian at 100°W/80°E. imperfect: Annotated in black marker ink/lead-pencil, taped at edges. Includes note. Created / Published: Washington, D.C.: Central Intelligence Agency, 1970
