Page 



Forest protection — Continued. 



Fire protection 58 



National forests 58 



Other Federal lands 58 



State, county, and private lands . . 58 



Forest industries 60 



Logging 61 



Lumber manufacture 62 



Sawmills 62 



Lumber production and its relation 



to installed sawmill capacity ... 63 

 Lumber transportation and mar- 

 kets 66 



Other manufactures 66 



Forest management 68 



Selective timber management .... 68 



Basic principles 68 



The maturity-selection system ... 70 



Disadvantages in the system ... 71 



Slash disposal 72 



The timber supply 73 



Relation of timber cut to timber supply. 73 



Sustained-yield capacity 73 



The region as a whole 73 



The situation within the units ... 74 

 Adequacy of the forest resource in rela- 

 tion to production trend 76 



The situation predicted for 1966. . 76 



Allowable cut, 1966 



Conclusions 78 



Page 



A summary of regional forest problems. . . 79 



Problems of supply and utilization . . 79 



Forest protection - . . 79 



Forest management 80 



Economic problems 80 



Forest taxation 81 



Financing long-time enterprises . . 82 



Insurance for standing timber ... 82 

 Instability of markets for forest 



products 83 



Conclusions 83 



Literature cited 84 



Appendix 85 



Methods in inventory phase 85 



Collection of existing information . 85 

 Checking and adjusting timber esti- 

 mates . 86 



Type mapping 86 



Compilation and release of data . . 87 



Methods in depletion phase 89 



Cutting depletion 89 



Fire depletion 90 



Methods in growth phase 91 



Gross growth study in virgin stands . 91 



Methods of analysis 91 



Making mortality estimates .... 91 



Methods in requirements phase .... 92 



Supplemental tables 92-99 



IV 



