Isforholdene i de arktiske have.
The state of the ice in the Artic seas.
Description
Viewability
| Item Link | Original Source |
|---|---|
| Full view 1900-1912 | University of Michigan |
| Full view 1913-1924 | University of Michigan |
| Full view 1925-1938 | University of Michigan |
| Limited (search only) 1939-1951 | University of Michigan |
| Limited (search only) 1952-1955 | University of Michigan |