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  1. Forest vegetation of the Arapaho and Roosevelt National Forests in central Colorado : a habitat type classification /
    By: Hess, Karl. - Alexander, Robert R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1986.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  2. Forest vegetation of the Black Hills National Forest of South Dakota and Wyoming : a habitat type classification /
    By: Hoffman, George R. - Alexander, Robert R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,[1987]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  3. Forest vegetation of the Gunnison and parts of the Uncompahgre National Forests : a preliminary habitat type classification /
    By: Alexander, Robert R. - Johnston, Barry C. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,[1988]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  4. Forest vegetation on national forests in the Rocky Mountain and Intermountain regions : habitat types and community types /
    By: Alexander, Robert R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,[1988]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  5. The Fraser Experimental Forest Colorado : research program and published research 1937-1985 /
    By: Alexander, Robert R.
    Publication info: Fort Collins, Colo. :U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,1985.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  6. Initial partial cutting in old-growth spruce-fir /
    By: Alexander, Robert R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1971.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  7. Initial partial cutting in old-growth spruce-fir : a field guide /
    By: Alexander, Robert R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1971.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  8. Major habitat types, community types, and plant communities in the Rocky Mountains /
    By: Alexander, Robert R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,1985.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  9. Management of lodgepole pine in even-aged stands in the central Rocky Mountains /
    By: Alexander, Robert R. - Edminster, Carleton B. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,[1981]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  10. Management of ponderosa pine in even-aged stands in the Black Hills /
    By: Alexander, Robert R. - Edminster, Carleton B. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,[1981]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  11. Management of ponderosa pine in even-aged stands in the Southwest /
    By: Alexander, Robert R. - Edminster, Carleton B. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1980.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  12. Management of spruce-fir in even-aged stands in the central Rocky Mountains /
    By: Alexander, Robert R. - Edminster, Carleton B. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1980.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  13. Partial cutting in old-growth spruce-fir /
    By: Alexander, Robert R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1973.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  14. Partial cutting practices in old-growth lodgepole pine : a field guide /
    By: Alexander, Robert R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1972.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  15. Seedfall and establishment of Engelmann spruce in clearcut openings : a case history /
    By: Alexander, Robert R.
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1969.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  16. Silvical characteristics of Engelmann spruce /
    By: Alexander, Robert R. - Shepperd, Wayne D.
    Publication info: Fort Collins, Colo. :USDA, Forest Service, Rocky Mountain Forest and Range Experiment Station,1984.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  17. Silvicultural systems and cutting methods for old-growth lodgepole pine forests in the Central Rocky Mountains /
    By: Alexander, Robert R.
    Publication info: Fort Collins, Colo. :U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,1986.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  18. Silvicultural systems and cutting methods for old-growth spruce-fir forests in the Central and Southern Rocky Mountains /
    By: Alexander, Robert R.
    Publication info: Fort Collins, Colo. :U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,1986.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  19. Silvicultural systems and cutting methods for ponderosa pine forests in the Front Range of the Central Rocky Mountains /
    By: Alexander, Robert R.
    Publication info: Fort Collins, Colo. :U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,1986.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  20. Silvicultural systems, cutting methods, and cultural practices for Black Hills ponderosa pine /
    By: Alexander, Robert R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :U.S. Dept of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,1987.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  21. Silviculture of central and southern Rocky Mountain forests : a summary of the status of our knowledge by timber types /
    By: Alexander, Robert R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1974.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  22. Silviculture of subalpine forests in the central and southern Rocky mountains : the status of our knowledge /
    By: Alexander, Robert R.
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1974.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  23. Site indexes for Engelmann spruce /
    By: Alexander, Robert R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1967.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  24. Site indexes for lodgepole pine, with corrections for stand density : methodology /
    By: Alexander, Robert R. - Dahms, Walter G. - Tackle, David,
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1967.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  25. Site indexes for lodgepole pine, with corrections for stand density : instructions for field use /
    By: Alexander, Robert R.
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1966.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book
  26. Yield tables for managed even-aged stands of spruce-fir in the central Rocky Mountains /
    By: Alexander, Robert R. - Edminster, Carleton B. - Shepperd, Wayne D.
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1975.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    View Book