me again!
+12 degrees in Northern Finland
Botswana -11 degrees
trouble is magnetic substrata can have a massive local effect
I recall seeing aeronautical isocline charts for Scandinavia with loops and whorls like a fingerprint
me again!
+12 degrees in Northern Finland
Botswana -11 degrees
trouble is magnetic substrata can have a massive local effect
I recall seeing aeronautical isocline charts for Scandinavia with loops and whorls like a fingerprint