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Here for your perusal is an intriguing chart of The geographic face of the nation--land cover : land cover of the conterminous United States, 1992 / U.S. Department of the Interior, U.S. Geological Survey. It was created in 2001.
Phytogeography.
"The U.S. Geological Survey (USGS), in cooperation with the U.S. Environmental Protection Agency has produced a land cover dataset for the conterminous United States from 1992 Landsat Thematic Mapper imagery and supplemental data. The seamless National Land Cover Dataset (NLCD) contains 21 categories of land cover information suitable for a variety of state and regional applications, including landscape analysis, land management, and development of nutrient and pesticide runoff models." Scale ca. 1:6,000,000.
We have compiled this collection of maps mainly to serve as a valuable educational tool. Contact curator@history-map.com for information or questions on this map.
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