When the border of Arizona New Mexico Colorado and Utah were made was there supposed to be a 4 corners?

The Four Corners Monument is a stone marker that marks the quadripoint of the U.S. states of Arizona, Colorado, New Mexico, and Utah. The Monument is located near the town of Tonalea, Arizona, at the intersection of U.S. routes 160 and 64.

The point where the boundary lines of the four states converge was originally mapped in 1868. The Four Corners Monument was first erected in 1912, and the current marker was dedicated in 1992.

The Four Corners Monument is a popular tourist destination, and it is estimated that over one million people visit the site each year. The monument is open to the public year-round, and there is no admission fee.