| Abstract: | The development of geographic information systems (GIS) is a rapidly growing industry that supports natural resources, studies, land management, environmental analysis, and urban and transporation planning. The increasing use of computers for storing and analyzing earth science information has greatly expanded the demand for digital cartographic and geographic data. Digital cartography involves the collection, storage, processing, analysis, and display of map data with the aid of computers. The U.S. Geological Survey (USGS), the Nation‘s largest earth science research agency, through its National Mapping Program, has expanded digital cartography operations to include the collection of elevation, planimetric, land use and land cover, and geographic names information in digital form. This digital information is available on 9-track magnetic tapes and, in the case of 1:2,000,000-scale planimetric digital line graph data, in Compact Disc Read Only Memory (CD-ROM) format. Digital information can be used with all types of geographic and land information systems. |
| Genre: | USGS Unnumbered Series |
| ProdID: | 70039187 |
| Citation Author: | U.S. Geological Survey |
| Citation Contributing Office: | Earth Science Information Center |
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| Citation Language: | English |
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| Citation Phsyical Description: | 2 Plates: 36 x 16 inches |
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| Citation Public Comments: | National Mapping Program |
| Citation Publisher: | U.S. Geological Survey |
| Citation Series: | General Information Product |
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| Citation Search Results Text: | Catalog of US GeoData; 1990; USGS Unnumbered Series; U.S. Geological Survey |
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| Citation Year: | 1990 |
| Type: | citation/reference |
| Text: | Catalog of US GeoData; 1990; USGS Unnumbered Series; U.S. Geological Survey |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| URL (PLATE): | http://pubs.usgs.gov/gip/70039187/plate-1.pdf |
| URL (PLATE): | http://pubs.usgs.gov/gip/70039187/plate-2.pdf |
| Date Other: | Sun, 1 Jan 2012 12:00 -0600 |
| Publisher: | U.S. Geological Survey |
