Republic of Texas Boundary Marker Meeting


Austin, Texas – October 16, 2017. The last remaining boundary marker, and only original marker, between the Republic of Texas and the United States is located near the City of Carthage in Panola County, Texas. The granite marker was placed on a parcel of land now owned by the Texas Historical Foundation. It is the only marker of an international boundary known to exist within the Continental U.S.

The boundary was disputed for many years by Spain and France. When the United States purchased the Louisiana Territory, the boundary still was disputed. The Adams Onis Treaty in 1819 formally defined the border. When Texas became a Republic in 1836, it appointed a joint commission to survey and mark the boundary from the Gulf of Mexico on the West bank of the Sabine to the Red River. The granite was marked only by “R.T.” and was set on April 23, 1841.

The Texas Historical Foundation appointed a Boundary Committee years ago, and the Committee met last week at the marker. The Committee reported that the marker itself is undamaged and in good condition. However, the protective fence has paint issues and needs refurbishment.


Committee Chairman William Strother of Dallas (in photo) reported that plans and efforts are underway to paint the fence and clear the surrounding area. He also said that an asphalt parking area is being considered.

The Texas Historical Foundation, Bruce Elsom of Houston, said that the boundary is a priceless artifact of Texas history and may be seen by several notices on US 84E highway going East and by a large sign opposite the road stating “Welcome to Louisiana.”

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For further information, contact Boundary Marker Committee member Marshall Doke at