Cone crops of ponderosa pine in central Arizona, including the influence of Abert squirrels
By: by M. M. Larson and Gilbert H. Schubert.
Contributors: Schubert, Gilbert Herman, 1915-
Series: USDA Forest Service research paper; RM-58; USDA Forest Service research paper RM ;; 58.
Publisher: Rocky Mountain Forest and Range Experiment Station]
Published: 1970
Place of publication: [Fort Collins, Colo
Language: eng
Number of pages: 15
Subjects: Ponderosa pine -- Seeds -- Arizona.; Abert's squirrel.
Notes: Bibliography: p. 13-15.