--- Begin Forwarded Message ---
Date: Mon, 31 Jan 2000 09:17:01 -0600
From: "Raymond, Lynne" <[log in to unmask]>
Subject: DEM classification question
Sender: "Raymond, Lynne" <[log in to unmask]>


Hi all,
We have been given a stack of the USGS's Digital Elevation Model (DEM) data
CD-ROM's (each containing various 7.5-minute quadrangles for Illinois) that
I need to classify.  I have found that DOQ's have been given a government
classification number, but I have been unable to find out if a number has
been assigned for DEM's.  Please help!  Thanks.

Lynne Raymond
Asst. Librarian
Illinois State Geological Survey
615 E. Peabody Dr.
Champaign, IL  61820
217-333-5110
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