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