Trees and shrubs of the Rocky Mountain region
Subtitle: with keys and descriptions for their identification
By: by Burton O. Longyear ... illustrated with one hundred and twenty-eight pen drawings by the author and nine colored plates.
Publisher: G.P. Putnam's Sons
Published: 1927
Place of publication: New York; London
Language: eng
Number of pages: 244
Subjects: Trees -- Rocky Mountains; Shrubs -- Rocky Mountains