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Comparison of risk/hazard rating systems for mountain pine beetle in Black Hills ponderosa pine forests

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By: Pasek, Judith E. - Juntti, Thomas M. - United States. Forest Service. Rocky Mountain Region. Renewable Resources. Forest Health Management.

Publication info: Golden, Colo, Renewable Resources, Rocky Mountain Region, Forest Health Management, USDA Forest Service, [1997]

Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Discoloration of ponderosa pine on the San Juan National Forest, 1999-2001

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By: Worrall, James J., - United States. Forest Service. Rocky Mountain Region. Renewable Resources. Forest Health Management.

Publication info: Gunnison, CO, USDA Forest Service, Rocky Mountain Region, Forest Health Management, [2002]

Holding Institution: U.S. Department of Agriculture, National Agricultural Library