FOREST RESOURCES OF THE PONDEROSA PINE REGION 



Contents 



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Page 



Survey findings in brief 1 



Definitions and specifications 3 



General 3 



Standards of measurement 3 



Species classification 4 



Type definitions and type mapping . . 4 



Woodland types 4 



Timberland types 5 



Other classifications 



Description of the region 8 



Forest inventory 11 



Types and areas 12 



Nonforest land 13 



Conifer sawlog types 13 



Conifer saw-timber types less than 



sawlog size 22 



Lodgepole pine and other non- 

 commercial conifer types ... 23 



Deforested lands 23 



Woodland and hardwood forests . 23 



Forest site quality 24 



Timber volume 26 



Saw-timber volume 27 



Economic availability 28 



Cubic volume 29 



Ownership of forest resources 29 



Private ownership 29 



National-forest ownership .... 30 



Other Federal ownership .... 31 



Indian ownership '. . . 31 



State ownership 31 



County and municipal ownership . 31 



Forest depletion 32 



Cutting depletion 32 



Sawlog drain 33 



Fuel wood 35 



Forest depletion — Continued. 



Cutting depletion— Continued. 



Fence posts 



Other minor products 



Insect depletion 



Fire depletion 



National forests 



Other lands 



Summary of depletion 



Assumed future depletion 



Forest growth 



Current annual growth 



Mature stands 



Immature stands 



All commercial stands 



Periodic growth 



Potential annual growth 



Comparison of current, probable 



future, and potential growth .... 



Effectiveness of past forest practice . . . 



Comparison of growth and drain . . . 



The current situation 



Comparison of potential growth and 

 depletion 



Local trends in saw-timber growth 



and depletion 



Land use 



Nonforest land use 



Forest land use 



Timber production 



Grazing 



Soil and watershed protection . . 



Recreation 



Wildlife 



Forest protection 



Insect protection 



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