Posted by Óscar on September 23, 2013 
Very nice.
Posted by ar-ren on September 23, 2013 
Make a path measures with google earth. Found trestle length 276 meters. Height above sea level right side of treslte is 677, while left side is 690 meters. So, ruling grade is (690 - 677) / 276 = 0.059, or, roughly 6%. Wow!
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