The eastern hemlock
Subtitle: Tsuga canadensis (Linn.) Carr.
By: by E.H. Frothingham.
Series: Bulletin of the U.S. Department of Agriculture -- no. 152.
Publisher: U.S. Dept. of Agriculture
Published: 1915
Place of publication: Washington, D.C
Language: eng
Number of pages: 43
Subjects: Eastern hemlock
Notes: Caption title.

"February 3, 1915."