http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
U.S. forest resource facts and historical trends
US forest resource facts and historical trends
United States forest resource facts and historical trends
1 online resource (63 pages) : color illustrations, color maps
Includes bibliographical references (pages 58-60).
Forest Inventory and Analysis Program (U.S.)