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Hi Anam,
You can get DEM data from the USGS National Map viewer.
http://nationalmap.gov/viewer.html
Sincerely,
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Brian Stice
GISP Senior GIS Analyst
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From: Northeast Arc Users Group [mailto:[log in to unmask]]
On Behalf Of Anam Khan
Sent: Wednesday, April 15, 2015 10:40 AM
To: [log in to unmask]
Subject: question about GIS Project
Hello all,
I am working on a GIS project to map campsites found in a wilderness area. I'm working with the Forest Service and their inventory data for campsites.
I have three feature classes:
campsites.shp: point data for campsites found in the wilderness
SystemTrails.shp: official Forest Service trails in the wilderness
hydro.shp: line data that shows all the streams in the wilderness
I have two questions:
1. Does anyone know how I can download free DEM data for a certain location from USGS?
2. If I have contour elevation data that I can get from the DEM, is there a way to extract the elevation that a certain campsite falls on and add that elevation to the
attribute table of campsites.shp for that specific campsite?
Thanks,
Anam Khan
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