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.file extension LGO - USGS Digital Line Graph file
File extension LGO description:
The U.S. Geological Survey's (USGS) digital line graph (DLG) files are digital vector representations of cartographic information. Data files of topographic and planimetric map features are derived from either aerial photographs or from cartographic source materials using manual and automated digitizing methods.
Associated applications to file extension LGO:
Company / developer:
Golden Software, Inc.
MapViewer
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