Lucky you, you're talking about that bold black line below (source: NOAA, 2010).
It's pretty bad around here in the PNW, no chance to be lazy.
But that pales in comparison w/ what our igneous geology can do. In many areas, declination doesn't have a chance. When it does, "East is least, West is best"! (When I was a kid, I thought that was a moral judgment, not just compass talk.)
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