Forest damage

Ill winds: airborne pollution's toll on trees and crops

James J. MacKenzie, Mohamed T. El-Ashry.

Net precipitation within small group infestations of the Mountain Pine Beetle

J.M. Schmid ... [et.al.].

How to separate damage by the European pine shoot moth, the Zimmerman pine moth, and the pitch mass borer

Robert L. Talerico

Forest resources of the Lincoln National Forest

John D. Shaw.

Direct and indirect effects of acidic deposition on vegetation

edited by Rick A. Linthurst.

Pests not known to occur in the United States or of limited distribution. 81. European spruce beetle

K. Whittle

Biologic Markers of Air-Pollution Stress and Damage in Forests

National Research Council (US), Commission on Life Sciences

An analytical method to assess spruce beetle impacts on white spruce resouces, Kenai Peninsula, Alaska

W.W.S. Van Hees

Porcupine damage to forest plantations

Paul O. Rudolf

Severe winter damage to conifers noted in portions of North Dakota, 1955-56

R.F. Watt