Research progress 1974. Change class to read A 13.66/1:974 .
Description:
cover title, 16 p. il. 4°
Notes:
(Pacific Northwest Forest and Range Experiment Station, Portland, Oreg.) [Accompanied by list of publications, 1 p. 8°.)
Notes:
(Pacific Northwest Forest and Range Experiment Station, Portland, Oreg.) [Accompanied by list of publications, 1 p. 8°.) + Distribution Made by Issuing Office.