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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.
- 629KB
- R. Scott Sasscer
- 118
- 1992
The newly revised classification system presented here is for works in the U.S. Geological Survey Library. The classification system has been developed over the years since 1904 to meet the ever changing needs of increased specialization and new areas of study in the earth sciences.
The classification system has been developed to meet the needs of Federal and State agencies for an up-to-date overview of land use and land cover throughout the country
- 6MB
- James R. Anderson, Ernest E. Hardy, John T. Roach, Richard E. Witmer
- 34
- 1976
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; Government document ...
- R. Scott Sasscer
- 2000
- 10.3133/b2010
The framework of a national land use and land cover classification system is presented for use with remote sensor data. The classification system has been developed to meet the needs of Federal and State agencies for an up-to-date overview of land use and land cover throughout the country on a basis that is uniform in categorization at the more ...
The work of Pettinger and Poulton (1970) provided valuable insight into the land use mosaic of the Southwestern United States. Some of the categorization for barren land and rangeland suggested by these researchers has been adopted in this land use and land cover classification system.
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A survey of users of land use and land cover data by the USGS in 1992 found that the Anderson system was the most commonly used classification (approximately 25 per cent of the respondents) [1]. Figure 1 gives some insight into the derivation of the major national land-based classification systems and their federal agency involvement.
