Base-age conversion and site-index equations for Engelmann spruce stands in the central and southern Rocky Mountains

Ecology, silviculture, and management of the Engelmann spruce--subalpine fir type in the central and southern Rocky Mountains

Robert R. Alexander

Estimating potential Engelmann spruce seed production on the Fraser Experimental Forest, Colorado

Robert R. Alexander

Seed

Robert R. Alexander

Site preparation aids natural regeneration in western larch-Engelmann spruce strip clearcuttings

Raymond J. Boyd

Genetics of Engelmann spruce

D. P. Fowler

Engelmann spruce seedling roots reach depth of 3 to 4 inches their first season

Daniel L. Noble

Decay of Engelmann spruce in the Blue Mountains of Oregon and Washington

Paul E. Aho

Engelmann spruce

George A. McSwain

Planting Engelmann spruce

Frank Ronco