Projecting national forest inventories for the 2000 RPA timber assessment [electronic resource] : a technical document supporting the 2000 USDA Forest Service RPA Assessment / John R. Mills and Xiaoping Zhou.
Imprint
[Portland, Or.] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2003]
Mode of access: Internet from the USDA Web site. Address as of 3-25-03: http://www.fs.fed.us/pnw/pubs/gtr568.pdf; current access is available via PURL.