The hevea rubber tree in the Amazon Valley
By: by Carl D. La Rue
Series: Department bulletin / United States Department of Agriculture -- no. 1422; Department bulletin (United States. Dept. of Agriculture) -- no. 1422.
Publisher: U.S. Dept. of Agriculture
Published: 1926
Place of publication: Washington, D.C
Language: eng
Number of pages: 70
Subjects: Hevea
Notes: Caption title.

"October, 1926."

Bibliography: p. 67-69.