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Armillaria root disease and affected acreage on three Ranger Districts on the Black Hills National Forest

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By: Holah, J.C.

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

Subjects: Armillaria Dendroctonus ponderosae disease surveys forest pests Fungal diseases of plants infestation Insect pests interactions Logging logging effects national forests Pinus ponderosa root rot South Dakota
VEE of horses, a disease on the move

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By: United States. Department of Agriculture.

Publication info: [Washington, D.C.], U.S. Dept. of Agriculture, 1973

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

Subjects: disease surveys equine encephalomyelitis virus Horses Texas Vaccination Vaccines venezuelan equine encephalitis