Sighting Vanes
Used to determine straight lines of sight.

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2012 Save Texas History Symposium





The Summerlee Foundation Texas State Historical Association Frontier Surveying Texas Society of Professional Surveyors Briscoe Center for American History the Pearce Museum Texas Council for History Education Department of Texas (Including Louisiana and New Mexico) Sons of Union Veterans of the Civil War Cameron County Civil War Sesquisentennial Historical Commission Texas State Genealogical Society



  • Austin Genealogical Society
  • Austin History Center
  • Bob Bullock Museum
  • Capitol Visitor's Center
  • Joseph and Susanna Dickinson Hannig Museum
  • Preservation Texas
  • Smith Map Studio - Chris Smith
  • Texas (Hispanic Heritage Center)
  • UT Press
  • Washington-on-the-Brazos State Park
  • Texas Star Books
  • Texian Legacy Association