Also available via Internet from the Forest Service web site. Address as of 3/15/07: http://www.fs.fed.us/rm/pubs/rmrs%5Fgtr73.pdf ; current access is available via PURL.
Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 2001. 1 microfiche : negative.