Geographic information systems
Computer software that allows geospatially referenced data to be linked to geographic features. Use this term only for information that is about GIS and not for the use of GIS in applications and projects.
Quadrangle indexes [ More info] GIS data files containing approximate boundaries of the various USGS quadrangles, with names and indexing codes associated with each quadrangle.
Sound data management as a foundation for natural resources management and science [ More info] Arguments in favor of using formal database technology, expecially geodatabases, to manage scientific information, with examples from Texas.
USGS Alaska State Mosaic [ More info] Using 172 Scenes from the Multi-Resolution Land Characteristics 2001 collection geometrically and radiometrically aligned, we produced seamless, relatively cloud-free image of the entire state.
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