<html> <head> <style></style></head> <body class='hmmessage'><div dir='ltr'><a href="https://www.loc.gov/resource/g4051p.rr005920/" target="_blank">https://www.loc.gov/resource/g4051p.rr005920/</a><div><br></div><div><br></div><div>This is a very interesting map. Zoom in on the right side (Omaha) elevation levels at the bottom. Then follow it to the western part.</div><div><br></div><div>Gives you a good sense of the power needed to cross the summit.</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div> </div></body> </html>