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- catalog abstract "GTOPO30 is a global digital elevation model (DEM) that covers the globe and has a horizontal grid spacing of 1 km (30-arc second) resolution. It is 16-bit signed integer data in simple binary raster format. GTOPO30 was derived from several raster and vector sources of topographic information. It was developed between 1993 and 1996 through a collaborative effort led by staff at the U.S. Geological Survey's EROS Data Center (EDC).".
- catalog alternative "Global 30 arc-second elevation data set".
- catalog alternative "Title on disc surface: DAAC-GTOPO30".
- catalog contributor b12514585.
- catalog contributor b12514586.
- catalog created "[between 1996 and 2002]".
- catalog date "1996".
- catalog date "[between 1996 and 2002]".
- catalog dateCopyrighted "[between 1996 and 2002]".
- catalog description "GTOPO30 is a global digital elevation model (DEM) that covers the globe and has a horizontal grid spacing of 1 km (30-arc second) resolution. It is 16-bit signed integer data in simple binary raster format. GTOPO30 was derived from several raster and vector sources of topographic information. It was developed between 1993 and 1996 through a collaborative effort led by staff at the U.S. Geological Survey's EROS Data Center (EDC).".
- catalog description "System requirements: IBM PC or compatible; ARC/Info, ArcView or other GIS software; CD-ROM Drive.".
- catalog extent "5 CD-ROMs :".
- catalog issued "1996".
- catalog issued "[between 1996 and 2002]".
- catalog language "eng".
- catalog publisher "Sioux Falls, SD. : USGS EROS Data Center,".
- catalog requires "System requirements: IBM PC or compatible; ARC/Info, ArcView or other GIS software; CD-ROM Drive.".
- catalog spatial "Scale varies (W 180⁰--E 180⁰/N 90⁰--S 90⁰)".
- catalog spatial "a W1800000 E1800000 N0900000 S0900000".
- catalog subject "Altitudes Maps Databases.".
- catalog subject "Digital mapping Databases.".
- catalog subject "World maps Databases.".
- catalog subject "World maps, Physical Databases.".
- catalog title "GTOPO30 [electronic resource].".
- catalog title "Global 30 arc-second elevation data set".
- catalog title "Title on disc surface: DAAC-GTOPO30".
- catalog type "CD-ROMs local".
- catalog type "image".