Seed zones and breeding zones for Sugar Pine in southwestern Oregon /

Bibliographic Details
Main Author:	Campbell, Robert Kenneth, 1927-
Corporate Author:	Pacific Northwest Research Station (Portland, Or.)
Other Authors:	Sugano, Albert I.
Format:	Government Document Book
Language:	English
Published:	Protland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1987]
Series:	Research paper PNW ; 383.
Subjects:	Sugar pine > Oregon. Plants > Variation.

Description
Item Description:	Distributed to depository libraries in microfiche. "July 1987."
Physical Description:	18 pages : illustrations, maps ; 28 cm.
Bibliography:	Includes bibliographical references (pages 17-18).