Frozen Susquehanna River in PA USA. It is the longest river on the East Coast of the United States that drains into the Atlantic Ocean via the Chesapeake Bay. Ice jams are a major flood threat. _站酷海洛_正版图片_视频_字体_音乐素材交易平台

Frozen Susquehanna River in PA USA. It is the longest river on the East Coast of the United States that drains into the Atlantic Ocean via the Chesapeake Bay. Ice jams are a major flood threat.