Wood density-moisture profiles in old-growth Douglas-fir and western hemlock - Pong, W. Y.; Waddell, Dale R.; Lambert, Michael B.; Pacific Northwest Research Station (Portland, Or.) ([Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1986)
https://www.biodiversitylibrary.org/bibliography/94188
Keywords: Douglas fir|Growth|Moisture|Trees|Washington (State)|Western hemlock