CONTENTS 



Page 

 No, 



The forest survey in Montana „ ................... 1 



Map of major forest types ................... . 2 



Findings in brief .............. .... 3 



Comparison of 1949 and earlier estimates . ............ 7 



Tables 



1. Forest area and timber volume estimates. Montana, 1918-1949 8 



2. Land area by major classes of forest land. Montana, 1949. ° 10 



3. Commercial forest land area by ownership class by stand- 



size class. Montana, 1949 . ................ 11 



4. Volume of live saw timber and primary growing stock on 



commercial forest land by stand-size class. Montana, 1949 12 



5. Volume of live saw timber and primary growing stock on 



commercial forest land by ownership class. Montana, 1949 13 



6. Volume of live saw timber and primary growing stock on 



commercial forest land by species. Montana, 1949 . . . • •> 14 



7. All-timber volume on commercial forest land by kind of 



material. Montana, 1949 ................. 15 



8. Net growth and normal mortality of live saw timber and 



primary growing stock on commercial forest land by 



species group. Montana, 1949. . . . . . . . 16 



9. Average annual commodity drain of live saw-timber volume 



and primary growing stock on commercial forest land by 



species group Montana, 1939-1948 ............ 17 



10. Average annual commodity production by timber products in 



cubic volume and in standard units „ Montana, 1939-1948. . 18 



11. Area of commercial forest land by generalized forest types 



and stand-size classes „ Montana, 1949 19 



12 „ Live all-timber volume on commercial forest land by kind 



of growing stock, species group, tree-size class, and 



class of material. Montana, 1949 . ............ 20 



13 o Volume of live saw timber on commercial forest land by 



diameter class groups by species. Montana, 1949 ..... 21 



14. Net growth, normal mortality, and commodity drain on 



primary growing stock on commercial forest land by tree- 

 size class. Montana, 1949 ................ 22 



15. Area by major classes of forest land by ownership classes. 



Montana, 1949. ...................... 23 



