http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Estimating historical snag density in dry forests east of the Cascade Range
Pacific Northwest Research Station (Portland, Or.)
Also available via Internet from the Pacific Northwest Research Station web site (PDF file only).
Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 1998 1 microfiche : negative.
Includes bibliographical references (pages 14-16).
Portland, OR : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1998]