Image from the Biodiversity Heritage Library.
Contributed by American Museum of Natural History Library.
| www.biodiversitylibrary.org
Transcription
Frost
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Frost
Oct 4 May 6 North Greenland
1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6
May 8 9 10 11 12 13 14 15 16 17 18 19 20
Oct 1 2 3 4 5 6 7 8 9 10 11 12 13
North Greenland
Oct 4 May 6 1919