Interspecific and intraspecific variation in Picea engelmannii and its congeneric cohorts biosystematics, genecology, and climate change /Format: [electronic resource] :
Author: Rehfeldt, G. E.
Publisher: Fort Collins, CO : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station,
Date: [2004] This title can be found in 1 Iowa libraries.
South Spruce Ecosystem Rehabilitation Project : draft environmental impact statement.Publisher: Cedar City, UT (82 North 100 East, Cedar City 84720) : U.S. Department of Agriculture, Intermountain Region, Dixie National Forest, Cedar City Ranger District,
Date: [1998] This title can be found in 1 Iowa libraries.
Spruce Ecosystem Recovery Project : final environmental impact statement.Publisher: [Iron County, Utah] : U.S. Department of Agriculture, Intermountain Region, Dixie National Forest, Cedar City Ranger District,
Date: [1998] This title can be found in 1 Iowa libraries.
Oldest known Engelmann spruce /Publisher: [Fort Collins, Colo.?] : USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: [1995] This title can be found in 1 Iowa libraries.
Oxyfluorfen safe to use in Engelmann spruce seedbedsFormat: [microform] /
Author: Sloan, John P.
Publisher: [Ogden, UT] : U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station,
Date: [1993] This title can be found in 1 Iowa libraries.
Ecology, silviculture, and management of the Engelmann spruce--subalpine fir type in the central and southern Rocky Mountains /Author: Alexander, Robert R.
Publisher: Washington, DC : U.S. Department of Agriculture, Forest Service,
Date: 1987. This title can be found in 1 Iowa libraries.
Engelmann spruce seed production and dispersal, and seedling establishment in the central Rocky MountainsFormat: [microform] /
Author: Alexander, Robert R.
Publisher: Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: [1986] This title can be found in 1 Iowa libraries.
Estimating potential Engelmann spruce seed production on the Fraser Experimental Forest, ColoradoFormat: [microform] /
Author: Alexander, Robert R.
Publisher: Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: [1986] This title can be found in 1 Iowa libraries.
Natural regeneration in Intermountain spruce-fir forests a gradual process /Format: [microform]:
Author: Fiedler, Carl E.
Publisher: Ogden, UT : U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station,
Date: 1985. This title can be found in 1 Iowa libraries.
Silvical characteristics of Engelmann spruceFormat: [microform] /
Author: Alexander, Robert R.
Publisher: Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: 1984. This title can be found in 1 Iowa libraries.
Natural regeneration of Engelmann spruce after clearcutting in the central Rocky Mountains in relation to environmental factorsFormat: [microform] /
Author: Alexander, Robert R.
Publisher: Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: 1984. This title can be found in 1 Iowa libraries.
Optimum temperatures for growth of southern Rocky Mountain Engelmann spruce and Douglas-fir seedlingsFormat: [microform] /
Author: Tinus, R. W.
Publisher: [Fort Collins, Colo.] : USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: [1984] This title can be found in 1 Iowa libraries.
The reproductive cycle of interior spruce /Author: Owens, John N.,
Publisher: Victoria, B.C. : Information Services Branch, Ministry of Forests,
Date: c1984. This title can be found in 1 Iowa libraries.
Seed seedling ratios of Engelmann spruce after clearcutting in the central Rocky Mountains /Format: [microform]:
Author: Alexander, Robert R.
Publisher: [Fort Collins, Colo.] : USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: [1983] This title can be found in 1 Iowa libraries.
Annual needle and leaf fall in an Arizona mixed conifer standFormat: [microform] /
Author: Gottfried, Gerald J.
Publisher: [Fort Collins, Colo.?] : USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: [1983] This title can be found in 1 Iowa libraries.
Engelmann spruce seed dispersal in the central Rocky MountainsFormat: [microform] /
Author: Alexander, Robert R.
Publisher: Fort Collins, Colo. : USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: [1983] This title can be found in 1 Iowa libraries.
Engelmann spruce seed production on the Fraser Experimental Forest, Colorado /Author: Alexander, Robert R.
Publisher: Fort Colins, Colo. : USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: [1982] This title can be found in 1 Iowa libraries.
Variation in growth of Engelmann spruce seedlings under selected temperature environmentsFormat: [microform] /
Author: Shepperd, Wayne D.
Publisher: [Fort Collins, Colo.] : USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: [1981] This title can be found in 1 Iowa libraries.
An Engelmann spruce seed source study in the central RockiesFormat: [microform] /
Author: Shepperd, Wayne D.
Publisher: Fort Collins, Colo. : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,
Date: [1981] This title can be found in 1 Iowa libraries.
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