Page 



Tables No. 



l6o Forest land area by counties 24 



17. Timber volume on commercial forest land by counties .... 26 



18. Annual lumber production. Montana 28 



19. Lumber production and number of active sawmills. 1921-1948. 29 



20. Lumber production and number of active sawmills by mill- 



size class. 1945-1947 30 



21. Annual pole production. Montana, 1937, 1946-1949 ..... 31 



22. Annual production of Christmas trees, cross ties, shingles, 



and lath. 1925-1949 32 



23. Distribution of Montana lumber shipments. 1924-1945 • ... 33 



Forest survey method 35 



Accuracy of estimates 39 



Definitions 42 



List of forest survey reports for Montana 48 



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