Umpqua River Oregon Aerial Photograph Data for 1939

The Umpqua River drains 12,103 square kilometers (4,673 square miles) in southwest Oregon before flowing into the Pacific Ocean at Winchester Bay near the city of...乌姆普夸河（Umpqua River）的流域覆盖俄勒冈州西南部12103平方千米（合4673平方英里）的区域，最终在毗邻某城市的温彻斯特湾（Winchester Bay）附近注入太平洋……