Dennie Ahl, providing for the 21st century.
Contributors: United States. Forest Service. Pacific Northwest Region.
Publisher: Olympic National Forest, Pacific Northwest Region, USDA, Forest Service
Published: 1983
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 14
Subjects: Seed orchards -- Oregon.; Seed orchards -- Washington (State); Tree planting.; Trees -- Breeding.