'2 of the 4 states whose borders meet up at the "Four Corners" monument'
(2 of) Colorado & New Mexico (or  Arizona & Utah)
STATE THE STATE: 2 of the 4 states whose borders meet up at the Four Corners monument
2 of the 4 states whose borders meet up at the "Four Corners" monument
2 of the 4 states whose borders meet up at the "Four Corners" monument
STATE THE STATE
2 of Colorado & New Mexico or  Arizona & Utah
STATE THE STATE