National Geographic : 1944 Dec
The Geography of the Jordan 729 Keren Hayesod Jordan Writhes Like a Fighting Serpent; Jungle Seems Swallowed by the Desert Though the Jordan here is swift, it meanders like a lazy tidewater stream. So sharp is the 150-foot drop between the upper terrace and the flood plain that a man on the terrace cannot see the airplane he hears hedgehopping above the river. Between the levels stand eroded hills. Nowhere is there a sign of life (page 733).