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DRG : Digital Raster Graphic Data

Author: Geological Survey (U.S.)
Publisher: [Reston, Va.] : [The Survey], [1996]-
Edition/Format:   Map : CD for computer : National government publication   Computer File : English : Ed. 1
Summary:
"Digital Raster Graphic (DRG) images of USGS standard series quadrangles cover systematically subdivided areas of latitude with formats ranging from 7.5- by 7.5-minutes to 1- by 2-degrees. DRG's of standard quadrangles range in scale from 1:20,000 to 1:250,000. DRG's coverages include the conterminous United States, Alaska, Hawaii, Puerto Rico and the Virgin Islands"--DRGP̲KG. TXT file.
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Details

Genre/Form: Databases
Topographic maps
Material Type: Government publication, National government publication
Document Type: Map, Computer File
All Authors / Contributors: Geological Survey (U.S.)
OCLC Number: 35394023
Notes: Title from disc label.
"Mastered 1/96-<7/96>
Text files in ASCII format.
"TIFF PackBits compressed."
Each CD-ROM includes the USGS topographic maps for a 1-degree cell.
Description: computer optical discs ; 4 3/4 in.
Cartographic Mathematical Data: Scales differ.
Details: System requirements: IBM compatible PC with 80386 or higher; Microsoft Windows 3.1; Microsoft compatible pointing device (mouse); 16 MB of hard drive space; 4 MB of RAM (8 MB recommended); CD-ROM reader.; Disk characteristics: CD-ROM.
Other Titles: Digital Raster Graphic Data
Responsibility: U.S. Geological Survey.

Abstract:

"Digital Raster Graphic (DRG) images of USGS standard series quadrangles cover systematically subdivided areas of latitude with formats ranging from 7.5- by 7.5-minutes to 1- by 2-degrees. DRG's of standard quadrangles range in scale from 1:20,000 to 1:250,000. DRG's coverages include the conterminous United States, Alaska, Hawaii, Puerto Rico and the Virgin Islands"--DRGP̲KG. TXT file.

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Linked Data


Primary Entity

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   rdfs:comment "Unknown 'gen' value: map" ;
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   schema:about <http://id.loc.gov/authorities/subjects/sh85136074> ; # Topographic maps
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   schema:bookEdition "Ed. 1." ;
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   schema:datePublished "1996/" ;
   schema:datePublished "1996/9999" ;
   schema:description ""Digital Raster Graphic (DRG) images of USGS standard series quadrangles cover systematically subdivided areas of latitude with formats ranging from 7.5- by 7.5-minutes to 1- by 2-degrees. DRG's of standard quadrangles range in scale from 1:20,000 to 1:250,000. DRG's coverages include the conterminous United States, Alaska, Hawaii, Puerto Rico and the Virgin Islands"--DRGP̲KG. TXT file."@en ;
   schema:exampleOfWork <http://worldcat.org/entity/work/id/65139037> ;
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<http://id.loc.gov/authorities/subjects/sh85136074> # Topographic maps
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<http://id.worldcat.org/fast/1152661> # Topographic maps
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<http://id.worldcat.org/fast/1204155> # United States.
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<http://id.worldcat.org/fast/848026> # Cartography--Automation
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<http://id.worldcat.org/fast/893710> # Digital mapping
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<http://viaf.org/viaf/127757303> # Geological Survey (U.S.)
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