Silvical characteristics of Engelmann spruce /

by Alexander, Robert R.
Published 1984

Production of Engelmann spruce seed, Fraser Experimental Forest, Colorado : a 5-year progress report /

by Alexander, Robert R.
Published 1976

Seed : seedling ratios of Engelmann spruce after clearcutting in the central Rocky Mountains /

by Alexander, Robert R.
Published 1983

Yield tables for managed even-aged stands of spruce-fir in the Central Rocky Mountains /

by Alexander, Robert R., Shepperd, Wayne D., Edminster, Carleton B.
Published 1975

Engelmann spruce seed dispersal in the central Rocky Mountains /

by Alexander, Robert R.
Published 1983

Silviculture of subalpine forests in the central and southern Rocky mountains : the status of our knowledge /

by Alexander, Robert R.
Published 1974

Diameter and basal area distributions in old-growth spruce-fir stands in Colorado /

by Alexander, Robert R.
Published 1985

Silvicultural systems and cutting methods for old-growth spruce-fir forests in the central and southern Rocky Mountains /

by Alexander, Robert R.
Published 1986

Engelmann spruce seed production and dispersal, and seedling establishment in the central Rocky Mountains /

by Alexander, Robert R.
Published 1986

Natural regeneration of Engelmann spruce after clearcutting in the central Rocky Mountains in relation to environmental factors /

by Alexander, Robert R.
Published 1984

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

by Alexander, Robert R.
Published 1986

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

by Alexander, Robert R.
Published 1987