Preliminary site index curves for noble fir from stem analysis data - DeMars, Donald J.; Herman, Francis R.; Bell, John F.; Pacific Northwest Forest; Range Experiment Station (Portland, Or.) ([Portland, Or.], Pacific Northwest Forest and Range Experiment Station, U.S.D.A. Forest Service, [1970])
https://www.biodiversitylibrary.org/bibliography/70741
Keywords: Forests and forestry|Measurement|Noble fir|Oregon|Washington (State)|