Archeological sites are often discovered during fenceline surveys. Fencelines   OCA has performed numerous surveys also to accomodate archeological clearance for the fenceline  construction projects. Such work included the fenceline survey near Santa Teresa US-Mexico border crossin. Project was performed for the Bureau of Land management and concluded with the following report: Peggy A. Gerow (1993): Restless Fence Damage Assessment, Dona Ana County, New Mexico, OCA/UNM Report No. 185-508