International Boundary Marker
International Boundary Marker in 2017
International Boundary Marker is located in Texas
International Boundary Marker
International Boundary Marker
International Boundary Marker is located in the United States
International Boundary Marker
International Boundary Marker
International Boundary Marker is located in Louisiana
International Boundary Marker
International Boundary Marker
International Boundary Marker is located in the United States
International Boundary Marker
International Boundary Marker
LocationOn Louisiana-Texas state line, at intersection of FM 31 and LA 765
Nearest cityDeadwood, Texas, Logansport, Louisiana
Coordinates32°2′3″N 94°2′35″W / 32.03417°N 94.04306°W / 32.03417; -94.04306
Area3 acres (1.2 ha)
Built1840 (1840)
NRHP reference No.77001463[1]
TSAL No.8200002369
Significant dates
Added to NRHPApril 13, 1977
Designated TSALMay 15, 2003

The International Boundary Marker, also known as the Republic of Texas Granite Marker, is a boundary marker located on the Louisiana-Texas border near the junction of Texas FM 31 and Louisiana Highway 765, southeast of Deadwood, Texas. The marker was created in 1840 and placed in 1841 to mark the international border between the United States and the Republic of Texas. The survey which established this border lasted from May 1840 to June 1841; the survey team faced hazardous, swampy conditions in their work and were forced to take several extended breaks due to weather and a lack of funding. The boundary marker is the only marker remaining from the Texas border survey and is one of only two known international boundary markers located entirely within the United States (the other being Ellicott's Stone near Mobile, Alabama).[2][3]

The property of the 3 acres (1.2 ha) area is shared between DeSoto Parish, Louisiana (1 acre) and Panola County, Texas (2 acres), with the marker itself being a direct property of U.S. Government[3]

The marker was added to the National Register of Historic Places on April 13, 1977.[1] In 1980, the marker was designated as a State Historic Civil Engineering Landmark by the Texas and Louisiana Sections of the American Society of Civil Engineers.[4]

See also

References

  1. 1 2 "National Register Information System". National Register of Historic Places. National Park Service. November 2, 2013.
  2. "International Boundary Marker" (PDF). Louisiana Office of Cultural Development, Division of Historic Preservation. Archived from the original (PDF) on September 18, 2017. Retrieved March 27, 2014.
  3. 1 2 "National Register of Historic Places Inventory/Nomination Form: International Boundary Marker" (PDF). Texas Historic Site Atlas. Retrieved May 3, 2018.
  4. "International Boundary Marker Historical Marker". The Historical Marker Database. Retrieved March 6, 2021.


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