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  1. By: Alexander, Robert R.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Alexander, Robert R.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. By: Alexander, Robert R. - Shepperd, W.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
  19. By: Alexander, Robert R. - Shearer, R.C. - Shepperd, W.D.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. By: Alexander, Robert R. - Tackle, David, - Dahms, Walter G.
    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
  29. By: Alexander, Robert R. - Shepperd, W.D. - Edminster, Carleton B.
    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