Search results for: Alexander, Robert R.

Showing 1 - 20 results of 48 Refine Results
  1. 1

    Management of ponderosa pine in even-aged stands in the Southwest

    Authors: Alexander, Robert R.
    Published: Rocky Mountain Forest and Range Experiment Station, Forest Service, U. S. Department of Agriculture, 1980
    Physical Description: 11 pages : illustrations ; 28 cm.
    Government Document Microfilm Book
  2. 2

    Management of lodgepole pine in even-aged stands in the central Rocky Mountains

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1981
    Physical Description: 11 pages : illustrations ; 28 cm.
    Government Document Microfilm Book
  3. 3

    Management of ponderosa pine in even-aged stands in the Black Hills

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1981
    Physical Description: 9 pages : illustrations ; 28 cm.
    Government Document Microfilm Book
  4. 4

    Forest vegetation of the Medicine Bow National Forest in southeastern Wyoming : a habitat type classification

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1986
    Physical Description: 39 pages : illustrations, 1 map ; 28 cm.
    Government Document Book
  5. 5

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

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1986
    Physical Description: 9 pages : illustrations ; 28 cm.
    Government Document Book
  6. 6

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

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, 1987
    Physical Description: v, 144 pages : illustrations, 1 map ; 28 cm.
    Government Document Book
  7. 7

    Silvicultural systems, cutting methods, and cultural practices for Black Hills ponderosa pine

    Authors: Alexander, Robert R.
    Published: U.S. Dept of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1987
    Physical Description: 32 pages : illustrations ; 28 cm.
    Government Document Book
  8. 8

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

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1986
    Physical Description: 7 pages : illustrations ; 28 cm.
    Government Document Book
  9. 9

    Classification of the forest vegetation of Colorado by habitat type and community type

    Authors: Alexander, Robert R.
    Published: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1987
    Physical Description: 14 pages ; 28 cm.
    Government Document Book
  10. 10

    Forest vegetation on national forests in the Rocky Mountain and Intermountain regions : habitat types and community types

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1988
    Physical Description: 47 pages ; 28 cm.
    Government Document Book
  11. 11

    Classification of the forest vegetation on the national forests of Arizona and New Mexico

    Authors: Alexander, Robert R.
    Published: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1987
    Physical Description: 10 pages ; 28 cm.
    Government Document Book
  12. 12

    Engelmann spruce seed production on the Fraser Experimental Forest, Colorado

    Authors: Alexander, Robert R.
    Published: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1982
    Physical Description: 6 pages : illustrations ; 28 cm.
    Government Document Book
  13. 13

    Engelmann spruce seed dispersal in the central Rocky Mountains

    Authors: Alexander, Robert R.
    Published: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1983
    Physical Description: 4 pages : illustrations ; 28 cm.
    Government Document Book
  14. 14

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

    Authors: Alexander, Robert R.
    Published: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1983
    Physical Description: 6 pages : illustrations ; 28 cm.
    Government Document Book
  15. 15

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

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1984
    Physical Description: 17 pages : illustrations ; 28 cm.
    Government Document Book
  16. 16

    Silvical characteristics of Engelmann spruce

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1984
    Physical Description: 38 pages : illustrations, 1 map ; 28 cm.
    Government Document Book
  17. 17

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

    Authors: Alexander, Robert R.
    Published: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1985
    Physical Description: 4 pages : illustrations ; 28 cm.
    Government Document Book
  18. 18

    Silvical characteristics of subalpine fir

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1984
    Physical Description: 29 pages : illustrations, 1 map ; 28 cm.
    Government Document Book
  19. 19

    Major habitat types, community types, and plant communities in the Rocky Mountains

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1985
    Physical Description: 105 pages ; 28 cm.
    Government Document Book
  20. 20

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

    Authors: Alexander, Robert R.
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1986
    Physical Description: 33 pages : illustrations ; 28 cm.
    Government Document Book