8 DEPARTMENT OF AGRICULTURE BULS. 1226-1250 



Pag* 

 Department Bulletin No. 1240. — The Meadow Death Camas (Zyga- 

 dbnus Venenosus) as a Poisonous Plant: 



Importance of Zygadenus venenosus 1 



Description and distribution of the plant 2 



Experimental work 3 



Discussion and results 5 



Summary 13 



Literature cited 13 



Department Bulletin No. 1241. — How the United States can Meet 

 its Present and Future Pulp-Wood Requirements: 



Reasons for inquiry : Its scope 2 



Why we should seek independence in pulp-wood supplies 3 



Current American requirements: How they are supplied 5 



Current requirements and their importance 5 



Development of the American industry 7 



Prior to the use of wood 7 



The wood-pulp period 8 



How present and past requirements have been met 11 



Pulp wood 14 



Wood-pulp grades 15 



Paper grades 19 



Countries 23 



Species and groups of species 25 



Probable future requirements 27 



Probable future paper requirements 27 



Raw pulp materials other than wood 31 



Probable future pulp-wood requirements 32 



How we can supply present and future pulp-wood requirements 33 



Present timber resources, drain, and replacement 33 



Present and probable future area of forest land 35 



How we can supply regional pulp-wood requirements 36 



Middle Atlantic States 36 



New England States 41 



Lake States 44 



Pacific Coast States 47 



Alaska 53 



Southern States 55 



Rocky Mountain States 57 



Central States 59 



National timber growth under forest management 60 



Possible growth under crude forest management 60 



Possible growth under intensive forest management 61 



Essential supplementary measures for meeting requirements 62 



Utilization of logging and sawmill waste and integration of 



timber-using industries 62 



Increased use of waste paper 63 



Reduction of waste in pulp and paper manufacture 63 



Modified pulping processes and wider use of species 64 



Conclusion 65 



Outstanding findings 65 



The problem 66 



The solution 67 



Essential supplementary measures 67 



Growin g pulp wood the fundamental solution 67 



The solution of the immediate spruce-fir-hemlock problem.. 68 



The solution of the future spruce-fir-hemlock problem 69 



The solution of the pine and hardwood problems 69 



The share of the public and of the industry in the solution 69 



Appendix 71 



Index of tables 99 



