Claim: Most of Lake Powell is in an American state.
Evidence: Lake Powell is a reservoir on the Colorado River , straddling the border between Utah and Arizona -LRB- most of it , along with Rainbow Bridge , is in Utah -RRB-.
Utah -LRB- -LSB- ˈjuːtɔː -RSB- or -LSB- ˈjuːtɑː -RSB- -RRB- is a state in the western United States.
Arizona -LRB- -LSB- ɛərᵻˈzoʊnə , _ ærᵻ - -RSB- -RRB- -LRB- Hoozdo Hahoodzo -LSB- xòːztò xɑ̀xòːtsò -RSB- O'odham : Alĭ ṣonak -LSB- ˡaɺi ˡʃonak -RSB- -RRB- is a state in the southwestern region of the United States.