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Subject:
Need underwater topography or bathymetry for a lake
From:
Eric Arnold <[log in to unmask]>
Reply To:
Maps-L: Map Librarians, etc.
Date:
Thu, 18 Jan 2018 09:41:09 -0500
Content-Type:
text/plain
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text/plain (13 lines) 
I'm helping someone who needs to make a relief model of the area around Norris Lake in Tennessee. The lake was formed when TVA built Norris Dam in the 1930s.  They need to include the topography of the land under the lake.  I haven't found the underwater topography available digitally.  The DEMs and contour files just show the flat surface of the lake.  Does anyone know where this data might be available digitally?  If not, what would be the best way to create a model of the land under the lake?  The 1895 1:125,000 quad does show the topography of the area before the dam.

Thank you,

Eric Arnold
GIS Specialist
The University of Tennessee, Knoxville
Room 236, Hodges Library 
1015 Volunteer Blvd. 
Knoxville, TN 37996 
[log in to unmask] 
(865) 974-8570

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