Relief: Using the 1-km North American DEM to examine relief for
Douglas Channel in British Columbia, as mentioned in Farley,
Rusmore & Bogue Geology February 2001 and for Denali, as
mentioned in Fitzgerald, Stump, and Redfield Science 22 Jan 1993.
We are clipping the relief at 200 meters.
Elevation of Douglas Channel area
Relief of Douglas Channel area
Elevation of Denali area
Relief of Denali area
Note that the Albers equal-area projection tilts true north away
from the vertical.
The source dataset is /flow/topog/areas/relief/narelief , which is
based on a 5-km radius.