Caporaso, A. P. 



Semiannual progress report on watershed management studies, 

 September 1956-April 1957. 3 pp. mimeo. 



, and P. M. Haack, Jr. 



A comparative analysis of three aerial photo film types. 12 pp. 

 typed. December 1957. 



Downing, G. L. 



Forest insect conditions in Alaska, 1956. 3 pp. mimeo. December 

 1956. 



Forest insect aerial survey, Southeastern Alaska, July-October 

 1956. 6 pp. mimeo. December 1956. 



Forest insect aerial survey, Alaska, July- September 1957. 5 pp. 

 mimeo., October 1957. 



The recent history of destructive forest insect activity in Alaska. 

 For. Insect Surv. Report No. 1. 4 pp. mimeo. December 1957. 



An Ips interpunctus infestation in white spruce of northern interior 

 Alaska. For. Insect Surv. Report No. 2. 4 pp. mimeo. December 1957. 



Gregory, R. A. 



Some silvicultural characteristics of western redcedar ( Thuja plicata 

 D. Donn) in Southeast Alaska. 3 pp. mimeo. September 1956. 



James, G. A., and R. C. McGregor 



Some forest regeneration problems following clearcutting in South- 

 east Alaska. Mimeo. September 1956. 



GPO 990785 



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