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      • The U.S. Geological Survey Library classification system has been designed for earth science libraries. It is a tool for assigning call numbers to earth science and allied pure science materials in order to collect these materials into related subject groups on the library shelves and arrange them alphabetically by author and title.
      www.usgs.gov › publications › us-geological-survey-library-classification-system
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  2. Sep 11, 2018 · Land cover – Conterminous U.S. land cover at a 30-meter spatial resolution with a 16-class legend based on a modified Anderson Level II classification system. Land cover change index – Provides a simple and comprehensive way to visualize change that occurred across all the NLCD epochs of land cover.

  3. Jan 1, 2000 · The classification scheme has been developed over the years since 1904 to meet the ever-changing needs of increased specialization and the development of new areas of research in the earth sciences. The system contains seven schedules: Subject schedule. Geological survey schedule. Earth science periodical schedule.

    • R. Scott Sasscer
    • 2000
    • 10.3133/b2010
  4. A report on a framework of a national land use and land cover classification system for use with remote sensor data, developed by USGS in 1976. The system is based on existing widely used classification systems and allows flexibility for more detailed classifications at lower levels.

  5. This revised and expanded classification system is a tool for classifying and retrieving geoscience library materials. The index promotes quick access to the classification tables.

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