A Tango Into A Trio - The OK-KS-MO Tri-State Monument
A Tango Into A Trio - The OK-KS-MO Tri-State Monument
By: a.d. elliott | Take the Back Roads - Art and Other Odd Adventures
Dear Henry,
Ziggy and I took advantage of one of those perfect fall days, the kind that seems designed for wandering—and stopped by the Oklahoma–Kansas–Missouri Tri‑State Marker. There, we stretched our legs into three states at once and brushed up against the surprisingly complicated history behind drawing lines on a map.
This corner of the country has been surveyed many times. Spanish explorers passed through first, followed by French expeditions during the era of New France. After the Louisiana Purchase, the newly formed American government began surveying the land again, and again. Disputes, shifting territories, treaties, and war ensured that no line stayed put for long.
Missouri’s boundary was established relatively early. Admitted to the Union in 1821, Missouri quickly became a reference point, a dividing line against which other territories were measured. Kansas and Oklahoma, however, were slower to take shape. Kansas, admitted in 1861, emerged from intense political conflict as a free state. Oklahoma was something else entirely.
Originally established around 1835 as Indian Territory, Oklahoma was meant to be land set aside for Native Nations forcibly relocated from the Southeast. Even its name comes from the Choctaw phrase Okla Humma—“the Red People.” Throughout the mid-1800s, boundaries inside the territory shifted constantly as different Nations were resettled, treaties were rewritten, and internal borders were adjusted. After the Civil War, additional Native lands were ceded to the U.S. government, further complicating the map.
It wasn’t until the land runs of 1889 and the passage of the Curtis Act in 1898 that Oklahoma’s borders began to resemble what we recognize today. Statehood finally arrived in 1907, nearly fifty years after Kansas.
And yet, for decades afterward, almost no one paid much attention to exactly where the borders fell.
That changed in 1938, during the Great Depression, when New Deal programs were transforming the American landscape. The National Youth Administration, an offshoot of the Civilian Conservation Corps, took on the project of marking the tri-state point with an impressive stone cairn.
The cairn is…not quite where you might expect.
It stands about fifty feet from the actual tri-state point. Why? No one seems entirely sure. The plaque acknowledges the discrepancy, so it wasn’t a surveying mistake; it simply isn’t on the precise border. In 2004, the Missouri County Surveyors Association finally marked the true location with an additional plaque nearby, making the spot both accurate and delightfully confusing.
The site is dog-friendly (please pack out the poo), quiet, and surprisingly contemplative, a place where history feels less like dates and more like layers. It also sits right next to the Downstream Casino Resort, operated by the Quapaw Nation. Before COVID, the resort hosted concerts and boasted a well-regarded spa.
I didn’t stop this time. Ziggy and I were on foot, but it feels like something to save for another visit.
After all, borders may be fixed now, but wandering never really ends.
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About the Author
a.d. elliott is a wanderer, photographer, and storyteller traveling through life
She shares her journeys at Take the Back Roads, explores new reads at Rite of Fancy, and highlights U.S. military biographies at Everyday Patriot.
You can also browse her online photography gallery at shop.takethebackroads.com.
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