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| Click for larger image (Source) (h/t Woodpile Report) |
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VIDEO: Largest Prehistoric Copper Mine
The world's largest prehistoric copper mine was at a place called Kargaly, northeast of Caspian Sea. VIDEO: " The Largest Prehisto...
Here is the NOAA page for magnetic declination.
ReplyDeletehttp://www.ngdc.noaa.gov/geomag/declination.shtml
NOAA has page devoted to magnetic declination. The page also displays historical maps of magnetic declination and the magnetic polls.
ReplyDeletehttp://www.ngdc.noaa.gov/geomag/declination.shtml
Thank you for the links. For some reason, your comments got hung up on the spam filter, for which I apologize.
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