Santa Fe Trail Association

Sibley Expedition

The Survey and Maps of the
Sibley Expedition, 1825, 1826 & 1827


L. Stephen (Steve) Schmidt
Richard E. (Rich) Hayden


    This study was funded by the Santa Fe Trail Association.

    All rights reserved by the Santa Fe trail Association.

    August 2011 (Rev. 1)




* Please be patient for files to download, as some of them are very large. *



  • Introduction
  • Overview of the Expedition
  • Some Comments and Observations
    • The Field Book
    • What was Surveyed
    • Field Book Map
  • Joseph C. Brown, Surveyor
  • How They Did It
  • Where Did They Start?
  • How Accurate Were They?
  • Small Scale Map
  • Present Study
    • Preliminary Work
    • Initial Methodology
    • Adopted Methodology
  • Discussion of Plots of the Survey
  • Conclusion



  • Appendix A – Text of Field Book
  • Appendix B – Brown’s Letter to Sibley Dated October 13, 1827.
  • Appendix C – Text of 1” = 20 mile Map
  • Appendix D – Compilation of Survey Data from Various Sources




Notes and References

Supplemental Information

Our Mission
The mission of the Santa Fe Trail Association is to protect and preserve the Santa Fe Trail and to promote awareness of the historical legacy associated with it.  The Santa Fe Trail Association’s purposes are exclusively charitable and educational within the meaning of Section 501 (c) (3) of the Internal Revenue Code.