----------------------------Original message---------------------------- I think the survey you're refering to is the one done by U.S. Commissioners Benjamin Reeves, George Sibley, and Thomas Mather, along with surveyor Joseph C. Brown. Brown compiled a "chart and way bill," but never published it. It is stored at the Missouri State Historical Society Library in Columbia at MU. Gregory Franzwa published "Maps of the Santa Fe Trail," an atlas with detailed maps, in 1989. Jim Coombs Map Librarian Southwest Missouri State University