Porcupine damage to forest plantations
By: Paul O. Rudolf
Contributors: United States. Department of Agriculture; Lake States Forest Experiment Station (Saint Paul, Minn.)
Series: Technical notes / Lake States Forest Experiment Station -- no. 307
Publisher: Lake States Forest Experiment Station, University Farm
Published: 1949
Place of publication: St. Paul, Minn
Language: eng
Subjects: Porcupines; Forest damage; Tree farms; Diseases and pests
Notes: Caption title.