• 1 Steenbock Library

• 5 Journals, Magazines, Newspapers
• 1 Microforms

• 3 Research
• 2 Range management
• 2 Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
• 1 Forest reserves

• 1 United States. Forest Service. North Central Research Station
• 1 United States. Forest Service. Washington Office

• 5 English

• 3 Rocky Mountains Region
• 2 United States

• 1 Bibliography

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