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Graphics File Formats FAQ (Part 3 of 4): Where to Get File Format Specifications
Section - DLG - Digital Line Graph

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         Type: Vector
    Extension: dlg
      Version: 
  Compression:
  Color Depth:
   Maintainer: U.S. Geological Survey (USGS)
Specification:

DLG is used by USGS to store geographical data. Documentation on this
format is available at:

  ftp://spectrum.xerox.com/depts/markc/demtools/demwork/dlg/doc/>.

The format of DLG graph files is described in the publications:

  Data Users Guide 1 - Digital Line Graphs from 1:24,000-Scale Maps
  Data Users Guide 2 - Digital Line Graphs from 1:100,000-Scale Maps
  Data Users Guide 3 - Digital Line Graphs from 1:2,000,000-Scale Maps

and each is available for $2.00 US from:

  Earth Science Information Center (ESIC)
  U. S. Geological Survey
  507 National Center
  Reston, VA  22092 USA
  Voice: 1.800.USA.MAPS
  Voice: 703.860.645

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Top Document: Graphics File Formats FAQ (Part 3 of 4): Where to Get File Format Specifications
Previous Document: DKB - DKB-Trace
Next Document: DPX - Digital Moving Picture Exchange

Part1 - Part2 - Part3 - Part4 - Single Page

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Send corrections/additions to the FAQ Maintainer:
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Last Update March 27 2014 @ 02:11 PM