Harold O. Batzer

• Jack pine from Lake States seed sources differ in susceptibility to attack by the white-pine weevil
• Jack-pine budworm
• Spruce budworm defoliation causes continued top killing and tree mortality in northeastern Minnesota
• Two Cases of Wind Damage to Balsam Fir After Cutting
• White-pine weevil damage differs significantly by seed source on two northern Minnesota jack pine plantations
• World directory of forest pathologists and entomologists
• Caterpillar forest tent