Possible Clues:

• Notices posted in a river and a large salt lake
• Middle East saltwater lake, almost 1,300 feet below sea level
• Where it's not lively, in the main?
• Salt lake of the Mideast
• George Burns quipped that when he was a boy, it was only sick
• Asian salt lake
• Ancient scroll site
• Some of Jordan's border
• Scrolls were found on its shore
• Extinct creature with no tail found in Asian lake