Log grades of Iowa timber
By: J.T. Morgan
Contributors: Lake States Forest Experiment Station (Saint Paul, Minn.)
Series: Technical notes -- no. 443; Technical notes (Lake States Forest Experiment Station (Saint Paul, Minn.)) -- no. 443.
Publisher: Lake States Forest Experiment Station
Published: 1955
Place of publication: St. Paul, Minn
Language: eng
Subjects: Quality; Timber