How to tell Engelmann from blue spruce in the Southwest
By: John R. Jones, Nelson T. Bernard.
Contributors: Bernard, Nelson T., 1925-; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.).; United States. Forest Service.
Series: USDA Forest Service general technical report RM ; 34; General technical report RM -- 34.
Publisher: Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station
Published: 1977
Place of publication: Fort Collins, Colo
Language: eng
Number of pages: 10
Subjects: Engelmann spruce.; Spruce -- Southwestern States.
Notes: Issued Feb. 1977.

Bibliography: p. 10.