Soil compaction after yarding of small-diameter Douglas-Fir with a small tractor in southwest Oregon
By: Michael P. Amaranthus and David E. Steinfeld
Contributors: Steinfeld, David E; Pacific Northwest Research Station (Portland, Or.)
Series: Research paper PNW -- RP-504; Research paper PNW -- 504
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1997
Place of publication: [Portland, Or.]
Language: eng
Format: Microform
Subjects: Douglas fir -- Harvesting -- Oregon; Soil compaction -- Oregon
Notes: Cover title

"September 1997."

Shipping list no.: 98-0520-M

Includes bibliographical references (p. 6-7)

Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., [1998] 1 microfiche : negative