1. Submarine geological map of Korean continental shelf, series VII (Korea Strait) [cartographic material]. Yale Public content 1990. 2015-12-10T18:10:50Z. 2015-12-22T23:10:24Z. Han'guk Tongnyŏk Chawŏn Yŏn'guso. Korea Institute of Energy and Resources. English&Korean. cartographic image. Public. Korea and Korea.