MULTIPLE PURPOSE RIVER DEVELOPMENT IX 



V. THE HELLS CANYON CASE: Comparative Efficiency of 



Alternative Approaches to Development 136 



The Hells Canyon Reach of the Columbia River and 



Tributary System 137 



Costs and Benefits of Federal Development of a High 



Dam and Three Low Dams 142 



Feasibility of an Intermediate, Two-Dam Plan 149 



Analysis of Two and Three Dams, Assuming Construc- 

 tion and Operation by Idaho Power Company .... 152 



Summary and Conclusions 158 



NOTE TO CHAPTER V 166 



VI. THE ALABAMA-coosA RIVER SYSTEM: Integrated System 



Development by a Single Licensee 170 



The River System and Alternate Plans for Development 172 



Plan of the U. S. Corps of Engineers 172 



Plan of the Alabama Power Company 175 



Comparative Efficiency of Alternative Development 



Plans 181 



Side Issues and Unanswered Questions 192 



Summary and Conclusions 196 



VII. THE WILLAMETTE RIVER CASE: Analysis of the Distribu- 

 tion of Costs 199 



The Willamette River System and Proposals for 



Development 200 



Differences in Costs under Public and Private Develop- 

 ment 207 



Distribution of Costs by Income Classes 211 



Distribution of Costs by Regions 223 



Regional Incidence, Assuming Tax Model A 223 



Regional Incidence, Assuming Tax Model B 227 



VIII. THE WILLAMETTE RIVER CASE: Analysis of the Distribu- 

 tion of Gains 234 



Analysis of First-Round Effects 235 



Successive Rounds of Effects under Federal Develop- 

 ment 239 



