Forestry in nature study
By: Issued by the Office of experiment stations in cooperation with the Forest service ...
Contributors: United States. Forest Service
Series: (U. S. Dept. of agriculture. Office of experiment stations. Special circular)
Publisher: Govt. print. off.
Published: 1909
Place of publication: Washington
Language: eng
Number of pages: 10
Subjects: Nature study
Notes: "References": p. 8-10.