The Mexican Road Commission was a project funded by the United States to survey what became known as the Santa Fe Trail. In addition to surveying, the commission was charged with negotiating right-of-way treaties for United States citizens to travel through land owned by Native Americans.

The commission was led by George Sibley, Benjamin Reeves, and Thomas Mather.

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Submissions from 1825

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Correspondence Between Joel Poinsett & George Sibley, December 31, 1825 - March 5, 1826, Joel Roberts Poinsett

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Diary No. 4 from October to November, 1825, George Champlin Sibley

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Letter from Benjamin Reeves & Thomas Mather to George Sibley, November 9, 1825, Benjamin H. Reeves and Thomas Mather

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Missouri Intelligencer Article on the Road to Mexico Survey, October 28, 1825, Missouri Intelligencer

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Letter from Benjamin Reeves & Thomas Mather to George Sibley, September 29, 1825, Benjamin H. Reeves and Thomas Mather

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Letter from James Barbour to George Sibley & Benjamin Reeves, September 19, 1825, James Barbour

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Letter from Benjamin Reeves, George Sibley, Thomas Mather to Curtis & Ely, August 16, 1825, Benjamin H. Reeves, George Champlin Sibley, and Thomas Mather

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Ratified Indian Treaty 138: Kansa - Sora Kansas Creek, Southwest of Fort Osage, August 16, 1825, Benjamin Reeves, George Champlin Sibley, Thomas Mather, and John Quincy Adams

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Letter from Benjamin Reeves, George Sibley, Thomas Mather to A.P. Choteau, August 10, 1825, Benjamin H. Reeves, George Champlin Sibley, and Thomas Mather

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Ratified Indian Treaty 137: Osage - Council Grove, August 10, 1825, Benjamin Reeves, George Champlin Sibley, Thomas Mather, and John Quincy Adams

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Letter from C. VandeVenter to George Sibley & Benjamin Reeves, August 6, 1825, C. VandeVenter

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Thomas Mather Journal, 1825-1826, Thomas Mather

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Missouri Intelligencer Article on the Road to Mexico, July 29, 1825, Missouri Intelligencer

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Letter from George Sibley to Owen, July 27, 1825, George Champlin Sibley

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Letter from Thomas Mather to Unknown, July 16, 1825, Thomas Mather

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Missouri Intelligencer Article on the Road to Mexico, July 9, 1825, Missouri Intelligencer

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Letter from George Sibley to James Barbour, July 4, 1825, George Champlin Sibley

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Letter from Thomas Hart Benton to George Sibley, June 30, 1825, Thomas Hart Benton

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Letter from George Sibley to Owen, June 23, 1825, George Champlin Sibley

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Letter from George Sibley to Benjamin Reeves, June 5, 1825, George Champlin Sibley

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Letter from C. VandeVenter to Thomas Mather, June 4, 1825, C. VandeVenter

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Letter from Thomas McKenney to Thomas Mather, June 3, 1825, Thomas McKenney

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Letter from Benjamin Reeves to George Sibley, May 25, 1825, Benjamin H. Reeves

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Letter from George Sibley to James Barbour, May 4, 1825, George Champlin Sibley

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George Sibley Statement on Job Applicants for Santa Fe Trail Survey, George Champlin Sibley

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Letter from George Sibley to Owen, May 1, 1825, George Champlin Sibley

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Letter from George Sibley to Benjamin Reeves, April 25, 1825, George Champlin Sibley

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Letter from Silas Bent to George Sibley, April 24, 1825, Silas Bent

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Letter from Isaac McGirk to George Sibley, April 15, 1825, Isaac C. McGirk

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Letter from Wilson P. Hunt to George Sibley, April 14, 1825, Wilson P. Hunt

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Letter from George Sibley to Benjamin Reeves, April 13, 1825, George Champlin Sibley

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Letter from Thomas Hart Benton to George Sibley, April 12, 1825, Thomas Hart Benton

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John Quincy Adams Proclamation Making Benjamin Reeves, George Sibley, & Pierre Menard Commissioners for the Road to New Mexico, John Quincy Adams

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Letter from James Barbour to Benjamin Reeves, George Sibley, Pierre Menard, March 16, 1825, James Barbour

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Letter from James Barbour to Benjamin Reeves, George Sibley, Pierre Menard, March 16, 1825, James Barbour

Submissions from 1824

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Letter from George Sibley & Benjamin Reeves to James Barbour, May 11, 1824, George Champlin Sibley and Benjamin H. Reeves