05-25-2017, 05:32 PM
Wow. In the 1800's it was barely north of Hudson Bay.
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Historical Magnetic Declination Map
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Historical Magnetic Declination Map - by freeradical - 05-25-2017, 03:34 PM
Re: Historical Magnetic Declination Map - by michaelb - 05-25-2017, 03:41 PM
Re: Historical Magnetic Declination Map - by billb - 05-25-2017, 04:03 PM
Re: Historical Magnetic Declination Map - by billb - 05-25-2017, 04:11 PM
Re: Historical Magnetic Declination Map - by Paul F. - 05-25-2017, 04:15 PM
Re: Historical Magnetic Declination Map - by billb - 05-25-2017, 04:34 PM
Re: Historical Magnetic Declination Map - by freeradical - 05-25-2017, 04:50 PM
Re: Historical Magnetic Declination Map - by pdq - 05-25-2017, 05:32 PM
Re: Historical Magnetic Declination Map - by Lew Zealand - 05-25-2017, 07:03 PM
Re: Historical Magnetic Declination Map - by Paul F. - 05-25-2017, 07:03 PM
Re: Historical Magnetic Declination Map - by davester - 05-25-2017, 07:27 PM
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