"Drawing on sources in Japanese, Korean, Chinese, and English, this book examines how the seasonal freezing, thawing, and flooding of the Yalu River between Korea and Manchuria (northeast China) shaped imperial Japanese border governance and regional expansion ca. 1905-1945"-- Provided by publisher.

Reeds, fish, timber, and defining the Yalu border -- Bridging the Yalu -- Seasons of Yalu River border policing -- Environments of Yalu River smuggling -- Dam construction and "Manchurian-Korean unity."