Hello,
I have been importing data into National Parks mostly using NPS data
(dataset from their libraries plus infos from the maps you get there)
plus NHD for water and my own personal data. The most complete one I
covered so far is Glacier NP.
From my own experience, road sets from NPS are
You can find a lot of data at the nps web site:
http://nrinfo.nps.gov/Home.mvc
I did a quick check and saw trail map data sets for 3 out of 3 parks:
Acadia, Great Smoky and Grand Canyon. I didn't check what format or
quality or anything else about them.
James
On Tuesday, February 15, 2011
Olympic National Park's trails and roads are mostly there, the
accuracy is somewhere between "spot on" and 20m off. Many of the
trails are difficult to accurately align due to tree cover.
I've been looking into getting more recent trail, road, and structure
GIS data from the park, but I usually ge
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