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Displaying items 1 - 2 of 2
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1. Historical maps of land use in Puerto Rico in 1951 Data publication contains GIS data

Author(s):
Helmer, Eileen H.; Córdova, Juan R.; Quiñones, Maya; Hubing, Nick

2. Historical woodland density of the conterminous United States, 1873 Data publication contains GIS data

Author(s):
Liknes, Greg C.; Nelson, Mark D.; Kaisershot, Daniel J.
https://www.fs.usda.gov/rds/archive/Catalog?keywords%5B0%5D=Geography&keywords%5B1%5D=Ecology%2C+Ecosystems%2C+%26+Environment&keywords%5B2%5D=Resource+inventory&keywords%5B3%5D=imageryBaseMapsEarthCover