have been noted on the river banks and hill slopes in Avdat and central Negev where a very large number of water collection cairns built in stone are present. Other finds Twenty-two milestones have been found in the Nafha Highlands and the Ramon Makhtesh areas between the Makhmal Fort and the Saharonim Fort. They are cylindrical in shape with square bases made of stone. Field stones are also seen set in different patterns at road crossings, or as religious sites. One stretch of such arranged stones is in length. Road sections are also discerned in several stretches of the route. See also Archaeology of Israel Bosra Frankincense trail Ir Ovot References Bibliography Archaeological sites in Israel World Heritage Sites in Israel Land of Israel Trade routes History of international trade Incense Negev