Sawmill air dogs save time
By: J.W. Creighton
Contributors: United States. Department of Agriculture; Lake States Forest Experiment Station (Saint Paul, Minn.)
Series: Technical notes / Lake States Forest Experiment Station -- no. 292
Publisher: Lake States Forest Experiment Station
Published: 1948
Place of publication: St. Paul 1, Minn
Language: eng
Subjects: Sawmills; Equipment and supplies; Machinery; Lumbering; Sawing
Notes: "April 1948."