<blockquote class=“Quote” rel=“mapnut”>From Ski_it: "You mean degrees not minutes, right?"
Answering for flbski, that would be horizontal distance to vertical distance </blockquote>
Oh now I see the “to”. that’s 7-9 degrees
Need to check my math, but to ski from Boston to San Francisco on a smooth flat earth you’d need a mountain 60 to 640 miles high?