NARA URL | JPG Link | Location | Sector |
http://research.archives.gov/description/6919209 | June (https://catalog.archives.gov/OpaAPI/media/6919209/content/arcmedia/dc-metro/rg-026/585454-noaa/bear/vol067A/26-159A-bear-vol067A_002.jpg) July (https://catalog.archives.gov/OpaAPI/media/6919209/content/arcmedia/dc-metro/rg-026/585454-noaa/bear/vol067A/26-159A-bear-vol067A_028.jpg) August (https://catalog.archives.gov/OpaAPI/media/6919209/content/arcmedia/dc-metro/rg-026/585454-noaa/bear/vol067A/26-159A-bear-vol067A_059.jpg) September (https://catalog.archives.gov/OpaAPI/media/6919209/content/arcmedia/dc-metro/rg-026/585454-noaa/bear/vol067A/26-159A-bear-vol067A_091.jpg) October (https://catalog.archives.gov/OpaAPI/media/6919209/content/arcmedia/dc-metro/rg-026/585454-noaa/bear/vol067A/26-159A-bear-vol067A_121.jpg) November (https://catalog.archives.gov/OpaAPI/media/6919209/content/arcmedia/dc-metro/rg-026/585454-noaa/bear/vol067A/26-159A-bear-vol067A_152.jpg) | To Arctic Arctic Arctic Arctic From Arctic Non-Arctic | P P P P P - |
Note: The variation given on the charts of English issue for this latitude have been found about 1/2 point too great Easterly.