Electrical Power for Valdez and the Copper River Basin-1981

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LIST OF PRFPARERSNameExpert i seExperienceDiscipline.John A. Burns(EIS r.oordinator)Fisheries BiologyKing crab research, NMFSKodiak, Alaska2 yrs EIS studies,Alaska District, 1 yrFisheries BiologistLoran BaxterCivil f:.:nqineerA.laska District3 yrs, Feasibility StudiesCivil EngineerSam MurrayEconomicsNorth Pacific Division9 mo Economic StudiesAlaska District2 yrs Economic StudiesEconomistCharles WellinqEconomicsAlaska District18 yrs, Economic StudiesEconomistL i zette Boyer,A.nthropo logySocial Studies, AlaskaDistrict2 yrs Anthropological andCu ltura 1 Stud i esAnthropoligistJulia SteeleArc h aeo logyManagement Experience, MSin Anthropology.5 years Cultural ResourcesAnthropologist
SUMMARYThe purpose of the proposed project is to provide electrical power forthe Valdez-Glennallen area. Presently the electric power is supplied byale~el generators located botn in Valdez and Glennallen. PrOjectedpopulation growth and the increasing cost of petroleum products willcause increasing demand for electrical power generated from alternativeenergy sourcesThe selected Plan (D) will generate 8 megawatts (MW) with 32,200 megawatthours (MWH) of firm annual energy from the hydroelectric project and 7.4MW with 52.000 MWH of annual energy from ttle pressure reducing turoine(PRT). Other plans include combinations of diesel PRT, andhydroelectric.Adverse environmental impacts associated wltn the selected plan are tothe fisheries resources of Allison Creek. Changes in winter watertemperatures may cause accelerated egg incubation and early emergence ofsalmon fry. An increase of stream temperature of 2° C could cause fryemergence 1 to 2 months earlier, a time when adequate food sources forthe fry do not exist in Port Valdez. Mitigative measures include anadditional tailrace which would divert powerhouse discharge directly intoPort Valdez, thus not chanqing the natural temperature regime of Allisonr:reek.MAJOR CONCLUSIONS ANDFINDINGSNone of the alternatives make significant contributions to preservingmaintaining, or enhancing the cultural ana natural resources of the stuayarea, and therefore. do not meet the criteria of an Environmental Qual ity(EQ) Plan. For this study. Plan B, the diesel ana pressure reducingtUrLJlne alternative, has been established a~ the Least EnvironmentallyDamaging (LED) Plan.Th~ National Economic Development (NED) Plan addresses the planningobjectives which maximize net economic oenefits. Plan D, Allison LakeHydrupower and the PRT, would provide the "lost power output, and coupledwith the increasing costs of petroleum products, this alternative may beconsidered to be the NED Plan when viewed on an overall oasis.A Section 404(b) (1) evaluation for the proposed project is included inAppendlx E. Water quality requirements set forth under the Clean WaterAct will be met through Section 404(r) exemption criteria.All the alternatives fulfill Federal, State, and local legal requirementsand comply with the requirements of all applicable environmentallaws, executive orders, and policies.iii
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E---~for-~-~and the Copper River B-
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SYLLABUSThe geographic area conside
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SOUTHCENTRAL RAILBELT AREA. ALASKAI
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INTRODUCTIONDue to continued growth
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The city of Valdez conducted enviro
Page 12 and 13: FIGURE I:HYDROPOWER STUDY AREAFOR V
Page 14 and 15: oard feet of hardwoods, half of whi
Page 16 and 17: VALDEZ
Page 18 and 19: ALYESKA PIPELINE TERMINAL
Page 20 and 21: Other Activities:Nonseasonal stable
Page 22 and 23: Table 3Historical Population of Val
Page 24 and 25: Transportation and Tourism:Detailed
Page 26 and 27: The following tables show the futur
Page 28 and 29: framework of the study authority an
Page 30 and 31: Nucl ear:Nuclear energy development
Page 32 and 33: lntertie:With the deciSlon by the C
Page 34 and 35: If the powerhouse were moved to jus
Page 36 and 37: CONSERVATION:Description:THE NONSTR
Page 38 and 39: TRANSMISSION INTERTIEDescription_:T
Page 40 and 41: impaired. As a result, standoy gene
Page 42 and 43: ALLISON LAKE
Page 44 and 45: From the time of pO\'Ier-on-line, o
Page 46 and 47: Technical services such as electron
Page 48 and 49: 175150FIGURE: 2ENERGY DEMAND - REVI
Page 50 and 51: 175150FIGURE: 4ENERGY - REVISED APA
Page 52 and 53: SYSTEMOF ACCOUNTSAccountsPlan AAll
Page 54 and 55: AccountsPlan A.All Diesel Generatio
Page 56 and 57: then be determined for the 100-year
Page 58 and 59: Comnents received from the city of
Page 60 and 61: FINALENVIRONMENTAL IMPACT STATEMENT
Page 64 and 65: COMPARATIVE IMPACTS OF ALTERNATIVES
Page 66 and 67: AREAS OF CONTROVERSYTo date no spec
Page 68 and 69: COVER SHEETLIST OF PREPARERSFINAL E
Page 70 and 71: A. NEED FOR AND OBJECTIVES OF ACTIO
Page 72 and 73: alternative has been estimated to p
Page 74 and 75: slopes surrounding Allisorl Lake ar
Page 76 and 77: weir to the mouth, with the majorit
Page 78 and 79: expected to Allison Creek below All
Page 80 and 81: 2. Biologicala. Vegetation:,r-.Hydr
Page 82 and 83: Waterfowl and water related birds f
Page 84 and 85: within the local community. The imp
Page 86 and 87: Cumulative impacts to the Port Vald
Page 88 and 89: Program-related issues. The Alaska
Page 90 and 91: 13.10INDEXSubjectsAffected Environm
Page 92 and 93: APPENDIX AHYDROLOGYTABLE OF CONTENT
Page 94 and 95: snowfields and glacier areas on the
Page 96 and 97: AVERAGE MONTHLY PRECIPITATION(inche
Page 98 and 99: gages at Lowe River near Valdez, Lo
Page 100 and 101: were estimated based on Tonsina Riv
Page 102 and 103: 'fUR r)c r ,-. n:c JA~ FEEl "'A~ AP
Page 104 and 105: --..,I-J--. -,-- - ----- - --TONS I
Page 106 and 107: ALLISON CREEKESTIMATED STREAMFLOW -
Page 108 and 109: APPENDIX BEXISTING SYSTEM ANDFUTURE
Page 110 and 111: IIHf{ODUCTIONThis section is devote
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FIGURE: B-1PRICE INCREASES OF DIESE
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Installed Generat.or Peak Energy fo
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90008000700060005000- 4000 ~..-:300
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Table 4VALDEZ-GLENNALLEN AREA UTILI
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As footnoted, the Alaska Power Admi
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201510CDI5.: ...:.T. .' !', ~. '.,
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SOLOMON HY I.IICU'-__'lOUIE 1-7 MlN
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, .. ,·.AYI.AG! fOWl. DlMANO WHit,
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The following is an excerpt from th
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Power Requirement Study (excerpt)GL
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APPENDIX CECONOMIC EVALUATION
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INTRODUCTIONThe purpose of this sec
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value of 66.92 mills/kWh. This figu
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FIGURE C-2: SOLOMON GULCH ALLISON L
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Er.Jployment Benefits Computation (
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energy would be fully utilized. As
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ECONOMIC EVALUATION OF HYDROPONER M
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ECONOMIC EV~LUATION OF HYDROPO~ER M
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------~-~ECONO~IC EVALUATION OF HYD
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ECONOMIC EVALUATION OF HYDROPO~ER M
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ECONO~IC EVALUATION OF HYDROPOwER M
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APPENDI X DPROJECT DESCRIPTION AND
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POWERHOUSETypeTRANSMISSION LINEVolt
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POWERHOUSETypeTRANSMISSION LINEVolt
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VALDEZ HYDROELECTRIC POWER PROJECTG
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turbine. The penstock would bifurca
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TABLE D-lSUMMARY COST ESTIMATEOCTOB
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TABLE 0-3DETAILED COST ESTIMATEVALD
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TABLE D- 3 (cont)Cost Unit Tota 1Ac
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TABL E D-4DETAILED COST ESTIMATEVAL
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TABLE D-4 (cont)Co st Unit Tota 1Ac
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, ..... ,..\ (I),;> "----f .'-.. -I
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"'~~TAPANDROCK TRAP1600.•. -~ "00
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CORPS OF ENGINEERSU. S. ARMY./f----
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APPENDIX EENVIRONMENTAL DATA
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TABLE 1ATEMPERATURE RECORDING OF AL
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TABLE 1A (cont)ALL! SON CREEK (cont
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TABLE 1A (cont)ALLISON CREEK (cont)
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ALLISON CREEK (cont)FEBRUARY HIGH L
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ALLISON CREEK (cant)TABLE lA (cant)
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TABLE 1A (cont)ALLISON CREEK (cont)
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TABLE 1A (cont)SOLOMON CREEK - HIGH
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TABLE 1A (cant)SOLOMON CREEK (cant)
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TABLE 1A (cont)SOLOMON CREEK (cont)
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TABLE lA (cont)SOLOMON CREEK (cont)
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TABLE 1A (cont)SOLOMON CREEK (cont)
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SOLOMON CREEK (cont)TABLE 1A (cont)
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TABLE 2ACalculated Flows of Allison
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TABLE 2BCalculated Flows of Allison
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TABLE 4AWater Quality Data of Allis
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TABLE 4A (cont)PARAMETERCalciumMagn
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TABLE 4A (cont)PARAMETERTurb i d it
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TABLE 4A (cont)PARAMETERTurb i d it
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TABLE 4BALLISON LAKEWA TER QUALI TV
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TABLE 6BIRDS OF THE PORT VALDEZ ARE
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Oregon JuncoTree SparrowWhite-crown
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UNITED STf-lrESDEPARTMENT OF THE IN
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c. Effects on Benthos: The proposed
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An ecological evalu~)tion as requir
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JAY S. HAMMO~D. GOVERNORDEPARTMENr
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CULTURAL RESOURCESAboriginal Settin
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shorp--probablv to facilitate easie
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Today the Alyeska oil terminal enco
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APPENDIX GFOUNDATIONS AND MATERIALS
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100 psi pressure at depth. The sour
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-1'~~ ·/~-IU-'J\·-----'~r-.-;-,~
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~UMi'.'j~'~Y!lfGIOL~ N ..--Pa.w'rln
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; ;; Ii; Z II;;; II til, ;;; : i;;
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Valdez InterimSouthcentral Railbelt
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LIST OF FIGURES AND TABLESPageFigur
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-----------------------------------
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-~~ ~..rt~i~;Valdez Interim ReportS
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alder, salmonberry, blueberry, and
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Table IIPrince William Sound Salmon
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3/ 4/ 5/- - -1976 Average weights b
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the number of pink salmon counted i
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in the fall at the upper end of the
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Table 1 VAllison Creek -Discharge M
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outlet from the lake; however, the
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As stated previously, two alternati
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Discharge measurements are sparse a
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Streambed sedimentation can be caus
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8. That during the construction pha
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LITERATURE CITEDBailey, Jack E., an
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Sharp-shinned hawk - Accipiter stri
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Allison ereekTemperature DataDateTe
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ALLISON CREEKSeptember 1979 . Octob
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ALLISON CREEKDecember 1979 Januarl
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SOLOMON. CREEKSeEtember 1979 Octobe
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7. That clearing for the penstock c
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22. That a cooperative study of the
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APPENDIX IMARKETABILITY REPORT
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Department Of EnergyAlaska Power Ad
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Valdez/Glennallen Power Market Anal
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List of·Tab1esTableIII-1IV-1IV-2V-
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Valdez/Glennallen Power Market Anal
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CHAPTER IISUMMARYValdez and Glennal
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A. Assuming Allison Creek follows S
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CHAPTER IIIPOWER MARKET DESCRIPTION
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increases. Municipal construction h
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CHAPTER IVEXISTING POWER SYSTEMSSys
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TABLE IV-1HISTORICAL LOADS--VALDEZ
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Load FactorsThe following chart lis
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CHAPTER VFUTURE POWER AND ENERGY AS
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Table V-IVALDEZ/GLENNALLEN AREA UTI
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Table V-2INSTALLED CAPACITY REQUIRE
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CHAPTER VI .ALTERNATIVE GENERATION
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Biomass-FiredAlthough of many forms
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A Solomon Gulch article in the Dece
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Net EnergyThis section discusses th
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Table VII-2Valdez/Glennallen Foreca
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40VALDEZ/GLENNALLENCAPACITY/RESOURC
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150Figure VII-3140VALDEZ/GLENNALLEN
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150·Figure VII-5140VALDEZ/GLENNALL
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TABLE VIII-IASummary Cost EstimateO
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TABLE VIII-2Summary Cost EstimatePr
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Table VIII-3AAverage Rate Determina
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Table VIII-4CVEA Diesel Generation
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Table VIII-5Average Rate Comparison
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Table VIII-6Average Rate Determinat
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Table VIII-8Average Rate Determinat
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Table VIII-IOAverage Rate Determina
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----~------T'lble VIII-J 1Average R
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CHAPTER IXBIBLIOGRAPHY1. Power Cost
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: I,B'III Ii ::1: iii,APPENDIX JPUB
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Recipents of Valdez Draft Interim f
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u. s. ENVIRONMENTAL PROTECTION AGEN
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25. ~e str?ngly recOTmend that an a
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UNITED STATES DEPARTMENT OF CO!'!ME
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3. have adequate flows for flushing
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Cnitc:d Srat6 [)c'~,artmcnt of the:
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AdvisoryCouncil OnHistoricPreservat
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Corps Of Engineers - 2 -11/4/80Than
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-2-'2. Most of the State 1 and enco
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-~-The SCH has no objection to this
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ALASKA POWER AUTHORITY333 WEST 4th
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Electrical Power for Valdez and the Copper River Basin-1981

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