Table 35. — Inventory change in cubic-foot volume in each subregion between Jan. 1 , 1943, and Jan. 1, 1944, by condition 



class — Continued 



Item 



Extensive forests 



Saw- 

 timber 

 stands 



Pole- 

 timber 

 stands 



Unmer- 

 chantable 

 stands 



All 

 stands 



Total, region 



Saw- 

 timber 

 stands 



Pole- 

 timber 

 stands 



Unmer- 

 chantable 

 stands 



All 

 stands 



Inventory of Jan. 1, 1943. 



Drain: 



Commodity drain. . . 

 Noncommodity drain. 



M cu.jt. 

 103,620 



M cu.jt. 

 168,440 



M cu. ft. 

 236, 460 



M cu.jt. 

 508, 520 



M cu. ft. 

 295, 400 



M cu.jt. M cu. ft. M cu.jt. 

 423,200 664,890 1,383,490 



7, 120 

 40 



7,530 

 230 



1,790 

 2,390 



16,440 

 2,660 



20, 280 

 80 



20, 650 

 440 



Total . 



7,160 



7,760 



4, 180 



19, 100 



20, 360 



21,090 



7,290 

 5,050 



12,340 



Increment: 



Growth on stands remaining in origi- 

 nal condition class 



Growth prior to drain on stands cut 



or burned 



Volume of stands shifting to higher 



condition class ■ 



Growth on these stands 



Less volume of these stands 



Volume of saw-timber stands shifting 



to lower condition class 



Growth of these stands 



Less volume on these stands 

 Volume of pole-timber stands shifting 



to lower condition class 



Growth on these stands 



Less volume of these stands 



3,790 



134 



3,922 

 165 



9,750 



167 



12, 102 



738 



- 3, 922 



451 

 34 



16,427 

 126 



-12, 102 



1,229 

 116 



1.680 



1,992 

 187 



1,992 



29, 967 



427 



16, 024 



903 



-16,024 



1,680 



150 



-1,680 



1,992 



187 



-1,992 



9,941 

 348 



10, 907 



472 



24, 168 



454 



36, 550 



2. 177 



-10,907 



909 

 68 



4,289 



-3,998 



Total . 



6,331 



17, 328 



7,975 



31,634 



17, 379 49, 421 



48, 795 

 373 



36. 550 



3,380 

 317 



3.998 



20. 689 



Net change 



Inventory of Jan. 1, 1944. 



-829 



9,568 



3,795 



12,534 



2. 981 28, 331 



s. 149 



48, 220 

 5,570 



53, 790 



102,791 



178,008 



240.255 521,054 



82, 904 



1. 175 



47, is- 



2. (.4') 

 -47,457 



4,289 



385 



-4,289 



3.998 



- 3. 998 





33. 699 



292. 419 451. 531 673, 239 1.41 



o 





'/'/)(' Anthracite Foresl Region A Problem Area 



71 



