Preston Monument, State boundary marker at junction of Oklahoma, Colorado, and New Mexico, US.
The Preston Monument is a boundary marker at the exact location where Oklahoma, Colorado, and New Mexico meet. The current granite obelisk sits on a high plain and marks the precise surveying point where these three state lines converge.
The original monument was built from limestone in 1881 during an official land survey. In 1990 the federal land agency installed a new granite obelisk to replace the deteriorating older marker.
The monument shows how borders were established in American history and how people view these places as symbolic meeting points. Visitors can understand today how important such markers were for settlement and land administration.
The location is very remote and requires an appropriate vehicle to reach it. It is important to bring water and fuel, as there are no services or facilities nearby.
The original limestone obelisk from 1881 still stands about 280 meters north of the new granite monument. This double marking interestingly shows how land surveys were conducted in the 19th century and how marking methods changed over time.
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