1957 forest tree seed crop about average in the Lake States
By: Paul O. Rudolf
Contributors: Lake States Forest Experiment Station (Saint Paul, Minn.)
Series: Technical notes -- no. 540; Technical notes (Lake States Forest Experiment Station (Saint Paul, Minn.)) -- no. 540.
Publisher: Lake States Forest Experiment Station
Published: 1958
Place of publication: St. Paul, Minn
Language: eng
Subjects: Forest trees; Seeds; Trees
Other titles: Nineteen fifty-seven forest tree seed crop about average in the Lake States