Map showing lines of equal magnetic declination as determined by the Coast Survey in 1850.
Photo Date: 1935 Ca.
640 x 516 | 100.39 KB | |
1280 x 1032 | 290.71 KB | |
1920 x 1547 | 522.68 KB | |
2500 x 2014 | 957.09 KB |
Added On | 16th October 2015 |
Viewed | 9 viewed |