Charles Sartwell

• Pine engraver, Ips pini, in the western states
• Ips pini attack density in ponderosa pine thinning slash as related to felling date in eastern Oregon
• Ips pini attack density in ponderosa pine thinning slash as related to felling date in eastern Oregon
• Silvicultural and direct control of mountain pine beetle in second-growth ponderosa pine
• Silvicultural and direct control of mountain pine beetle in second-growth ponderosa pine