Page 



6.28 — Summary of hardwood timber 



demand on, and supply from, 

 forests in the contiguous States 

 by region, 1952, 1962, 1970, and 

 1976 with projections (medium 

 level demand) to 2030 under 

 alternative price assumptions . 



6.29 — Indexes of hardwood stumpage 



prices in the contiguous States by 

 region, 1952, 1962, 1970, and 

 1976 with projections of indexes 

 of equilibrium prices to 2030 . . . . , 

 6 JO — Economic opportunities for 



management intensification in 

 the United States which would 

 yield 4 percent or more on the 

 investment, by region, treatment 

 opportunity and ownership 



7.7 — 



.253 



,254 



.261 



Water 



7.1 



7.2 



7.3 — 



7.4 



7.5 



7.6 — 



Fresh water withdrawals in the 

 United States in 1975, by major 

 use, with projections of demand 



to 2030 275 



Fresh water withdrawals and 

 consumption in the United States 

 in 1975, by water resource 

 region, with projections of 



demand to 2030 277 



Fresh water withdrawals and 

 consumption for irrigation in the 

 United States in 1975, by water 

 resource region, with projections 



of demand to 2030 278 



Fresh water withdrawals and 



consumption for steam electric 



cooling in the United States in 



1975, by water resource region, 



with projections of demand to 



2030 279 



Fresh water withdrawals and 



consumption for manufacturing 



in the United States in 1975, by 



water resource region, with 



projections of demand to 



2030 280 



Fresh water withdrawals and 



consumption for domestic central 



use in the United States in 1975, 



by water resource region, with 



projections of demand to 



2030 281 



7.8 



7.9 



7.10 



7.11 



7.12 



7.13 — 



7.14 — 



7.15 — 



7.16 



Page 



Fresh water withdrawals and 



consumption for domestic 



noncentral use in the United 



States in 1975, by water resource 



region, with projections of 



demand to 2030 282 



Fresh water withdrawals and 



consumption for commercial use 



in the United States in 1975, by 



water resource region, with 



projections of demand to 



2030 283 



Fresh water consumption in the 

 United States in 1975, by major 

 use, with projections of demand 

 to 2030 284 



Expected water supplies in the 



United States, by water resource 



region 292 



Fresh water supply, percentage 



depletion (current and projected) 



in average and dry year, and 



number of months consumptive 



use exceeds 90 percent depletion 



in average and dry years in the 



United States, by region and 



subregion 298 



Data for selected measures of 



water quality from undisturbed 



forest and range watersheds in 



the United States, by division, 



province, and section 303 



Percentage of hydrologic basins 



affected by point sources of 



pollution in the United States, by 



region, source, and type of 



pollution 306 



Percentage of hydrologic basins 

 affected by nonpoint sources of 

 pollution in the United States, by 

 region, source, and type of 

 pollution 306 



Estimated potential for 



increasing water yield from 



forested lands in the eastern 



States 312 



Summary of estimated annual 



yield increases which could be 



achieved in the Northwest 



through vegetation 



management 313 



343 



