Time required to cut black spruce trees
By: Zigmond A. Zasada
Contributors: United States. Department of Agriculture; Lake States Forest Experiment Station (Saint Paul, Minn.)
Series: Technical notes / Lake States Forest Experiment Station -- no. 291
Publisher: Lake States Forest Experiment Station
Published: 1948
Place of publication: St. Paul 1, Minn
Language: eng
Subjects: Picea mariana; Cutting; Logging; Black spruce; Estimates; Harvesting
Notes: "April 1948."