The natural regeneration of Douglas fir in the Pacific northwest.
By: By Julius V. Hofmann ...
Series: U. S. Dept. of agriculture. Department bulletin -- no. 1200.; Bulletin of the U.S. Department of Agriculture -- no. 1200.
Publisher: Govt. Print. Off.
Published: 1924
Place of publication: Washington
Language: eng
Number of pages: 63
Subjects: Douglas fir.; Forests and forestry.
Notes: Cover title.

Contribution from Forest service.

Bibliography: p. 60-62.