Richard L. Williamson

• Applicability of four regional volume tables for estimating growth response to thinning in Douglas fir
• Growth and yield records from well-stocked stands of Douglas-fir
• Initial thinning effects in 70- to 150-year-old douglas-fir-western Oregon and Washington
• Levels-of-growing-stock cooperative study in Douglas-fir
• Levels-of-growing-stock cooperative study on Douglas-fir
• Response to commercial thinning in a 110-year old Douglas-fir stand
• Results of shelterwood harvesting of Douglas-fir in the Cascades of western Oregon
• A cooperative level-of-growing-stock study in Douglas-fir
• Estimating merchantable volumes of second growth Douglas-fir stands from total cubic volume and associated stand characteristics
• Results of shelterwood cutting in western hemlock
• Silvicultural and economic aspects of removal of scattered overmature trees from a well-stocked pole stand in the Sitka sprucewestern hemlock type
• Thinning response in 110-year-old Douglas-fir