Genetic variation in Douglas-fir
Subtitle: a 20-year test of provenances in eastern Nebraska
By: David F. Van Haverbeke.
Contributors: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: General technical report RM -- 141.
Publisher: U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station
Published: 1987
Place of publication: Fort Collins, Colo
Language: eng
Subjects: Douglas fir -- Nebraska; Douglas fir -- Nebraska -- Seeds; Douglas fir -- Nebraska -- Genetics
Other titles: Genetic variation in Douglas fir.
Notes: Distributed to depository libraries in microfiche.

"July 1987"--T.p. verso.

Includes bibliographical references (p. 8).