Historic Declinations for Eigg Mountain (62° 9' W and 45° 42' N) (Eigg Mountain Settlement History)

1810 19.7° W

1816 20.0

1828 20.4

1834 20.5

1861 22.9

1886 23º 45’ (“twenty-three degrees, forty-five seconds:” a second is 1/60 of a degree)

1951 24º 43’

2006 19.6

2015 18° 10.08' W

For a discussion of the importance of declination see Making Claim to the Land.