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- Canyons[remove]5
- Dams3
- Lakes & ponds3
- Mead, Lake (Ariz. and Nev.)3
- Mountains3
- Roads3
- Black Canyon (Ariz. and Nev.)2
- Bodies of water2
- Boulder Canyon (Ariz. and Nev.)2
- Cliffs2
- Dirt2
- Electric lines2
- Grasses2
- Hoover Dam (Ariz. and Nev.)2
- Humboldt River (Nev.)2
- Humboldt River Valley (Nev.)2
- Hydroelectric generators2
- Hydroelectric power2
- Rivers2
- Shrubs2