Also available via Internet from the USDA web site. Address as of 1/12/04: http://www.fs.fed.us/ne/newtown%5Fsquare/publications/research%5Fpapers/pdfs/2003/rpne724.pdf; current access is available via PURL.
Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 2003. 1 microfiche : negative.