The Colorado Compact, signed in 1922, divided the Colorado watershed into the Upper Basin and the Lower Basin.
Where is the boundary between the upper and lower basins?
A) Hoover Dam N 32° 57.776′ W 114° 27.189′
B) Lees Ferry, AZ N 32° 57.928′ W 114° 27.001′
C) Arizona/Utah border N 32° 57.992′ W 114° 26.909′
D) Page, AZ N 32° 57.758′ W 114° 26.651′
NOTE: This cache is on Arizona State Trust Land and geocachers must purchase a recreation permit available on the Arizona State Land Department's website in order to geocache here.