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- catalog 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.".
- catalog alternative "Digital Raster Graphic Data".
- catalog contributor b10074973.
- catalog coverage "United States Maps, Topographic Databases.".
- catalog created "1996- ]".
- catalog date "1996".
- catalog date "1996- ]".
- catalog dateCopyrighted "1996- ]".
- catalog 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.".
- catalog description "Disk characteristics: CD-ROM.".
- catalog description "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.".
- catalog extent "computer laser optical discs ;".
- catalog issued "1996".
- catalog issued "1996- ]".
- catalog language "eng".
- catalog publisher "[Reston, Va. : The Survey,".
- catalog requires "Disk characteristics: CD-ROM.".
- catalog requires "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.".
- catalog spatial "Scale differ (W 74⁰05ʹ42ʺ--W 69⁰47ʹ32ʺ/N 43⁰05ʹ42ʺ--N 40⁰47ʹ25ʺ).".
- catalog spatial "United States Maps, Topographic Databases.".
- catalog spatial "a 20000 250000 W0740542 W0694732 N0430542 N0404725".
- catalog subject "Cartography Automation Databases.".
- catalog subject "Digital mapping Databases.".
- catalog subject "Topographic maps Databases.".
- catalog title "DRG [computer file] : Digital Raster Graphic Data / U.S. Geological Survey.".
- catalog title "Digital Raster Graphic Data".
- catalog type "CD-ROMs. local".