United States Department of Agriculture
Presents the biology and ecology of the pine root collar weevil, and provides survey techniques and management strategies for its identification and control.
The 1985 National Silviculture Workshop was held in Rapid City, South Dakota, and the Black Hills National Forest. The purpose of the workshop was to discuss, review, and share information and experiences regarding successful silvicultural treatment that may have application in other Regions.
A report on a 1978 survey of private forest-land owners, based on 11,076 questionnaires. About 7.8 million ownership units hold 333 million acres of privately owned forest land in the United States. Regional and subregional breakdowns are included for such important variables as form of ownership; owner's occupation, age, sex, race, residence, and education; size...