Figure 1 -- Index Map Figure 2 Nevada 93 95 15 Figure 3 93 California 95 Arizona 40 93 Figure 4 89 17 Figure 5 95 10 Figure 6 95 8 Figure 7 0 20 40 80 Miles 1:3,300,000 Scale Legend Interstate Lakes Highways Colorado River Flood Plain Rivers Colorado River Accounting Surface Yuma Accounting Area Figure 2 -- Lower Colorado River Accounting Surface: Mouth of the Grand Canyon to Hoover Dam Utah Mesquite 168 15 er iv R in g ir M V u d d y R iv 93 e r Arizona Overton Nevada C Lake Mead o lo ra d o R iv e r Henderson Hoover Dam 0 5 10 20 Miles 1:800,000 Scale Legend Dams Rivers Cities Lakes Interstate Colorado River Flood Plain Highways Colorado River Accounting Surface Figure 3 – Lower Colorado River Accounting Surface: Lake Mead to Davis Dam Lake Mead C ol or 515 ad o R iv Henderson er Hoover Dam Boulder City Nevada Arizona 93 Lake Mohave 95 66 68 Davis Dam Kingman 163 Laughlin 40 0 5 10 20 Miles 1:800,000 Scale Legend Dams Rivers Cities Lakes Interstate Colorado River Flood Plain Highways Colorado River Accounting Surface Figure 4 – Lower Colorado River Floodplain and Accounting Surface: Davis Dam to Parker Dam 68 Nevada Davis Dam Kingman 163 Laughlin 95 Arizona 95 Needles California 40 C o l 95 o r a d o 95 R i v e r Lake Havasu Lake Havasu City Parker Dam 0 5 10 20 Miles 1:650,000 Scale Legend Dams Rivers Cities Lakes Interstate Colorado River Flood Plain Highways Colorado River Accounting Surface Figure 5 -- Lower Colorado River Floodplain and Accounting Surface: Parker Dam to Southern Boundary of Palo Verde Irrigation District 95 Parker Dam Arizona Parker 62 California 72 177 95 Palo Verde Diversion Dam 60 10 Blythe 78 95 Palo Verde C o l o r ad o River 0 5 10 20 Miles 1:1,000,000 Scale Legend Dams Rivers Cities Interstate Colorado River Flood Plain Highways Colorado River Accounting Surface Figure 6 -- Lower Colorado River Floodplain and Accounting Surface: Southern Boundary of Palo Verde Irrigation District to Northern PBaolou Vnedrdaery of Yuma Accounting Area Arizona «¬ 7 8 C o 95 l £ o ¤ r a d o R Iv er California j Imperial Dam ¨¦§8 Yuma Mexico 0 5 10 20 Miles 1:525,000 Scale Legend j Dams / Rivers Cities Colorado River Flood Plain Interstate Colorado River Accounting Surface Highways Yuma Accounting Area Figure 7 -- Yuma Accounting Area j Imperial Dam California r e 95 v i ¤£ R o d Arizona a r ol o Yuma C 8 G ¨¦§ i la M 95 o ¤£ u n ta in Yuma Accounting Area s Mexico 0 5 10 20 Miles 1:525,000 Scale Legend Groundwater Divide j Dams Rivers / Cities Colorado River Flood Plain Interstate Colorado River Accounting Surface Highways Yuma Accounting Area.