Ralph D. Nyland

• Silviculture
• Forestry and its career opportunities
• A Perspective on clearcutting in a changing world
• Injuries from tree-length skiddiing with rubber-tired vs. crawler tractors
• Logging and its effects in northern hardwoods
• Logging damage to partially cut hardwood stands in New York State
• References dealing with maple sap and syrup production and use
• Volume table slide rule for tree-length hardwoods in New York state