Natural regeneration of swamp black spruce in Minnesota under various cutting systems
By: by M.L. Heinselman
Series: Production research report -- no. 32
Publisher: U.S. Dept. of Agriculture, Forest Service
Published: 1959
Place of publication: Washington, D.C
Language: eng
Number of pages: 22
Subjects: Spruce; Black spruce; Forest regeneration
Notes: Bibliography: p. 21-22.