McGregor, M. D. 1982a. The current situation of the mountain pine beetle in the United States and resources involved. Pages 16-21 in D. M. Shrimpton (ed.), Proceedings of the joint Canada-United States workshop on mountain pine beetle related problems in western North America. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-230. 87 p.