Title: Chosŏn hach'ŏn chosasŏ (1929-yŏn) /
Authors: Korea.; Han'guk Kŏnsŏl Kisul Yŏn'guwŏn; Korea (South).
Publisher: Kukt'o Haeyangbu,
Year: 2010
Subjects: River surveys Korea.; Hydrological surveys Korea.; Korea History