Levels-of-growing-stock cooperative study in Douglas-fir
Subtitle: report no. 19-the Iron Creek study, 1966-2006
By: Robert O. Curtis and David D. Marshall.
Contributors: Marshall, David D.; Pacific Northwest Research Station (Portland, Or.)
Series: Research paper PNW -- RP-580
Publisher: United States Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 2009
Place of publication: Portland, OR
Language: eng
Number of pages: 78
Subjects: Douglas fir -- Washington (State) -- Growth; Douglas fir -- Thinning -- Washington (State); Douglas fir -- Yields -- Washington (State)
Notes: Cover title.

"August 2009."

Includes bibliographical references (p. 20-27).