Sketch map of Korea showing open ports 1908   Creator:   Ordnance Survey Office Publication Date:   1909 Publisher:   Ordnance Survey Office Type:   Map Source Institution:   SOAS, University of London Subject Keyword:   아시아 -- 한국 アジア -- 韓国 Free ports and zones 경제자유구역 経済自由区域 Spatial Coverage:   Asia -- Korea Genre:   Government Document Language:   English Sketch map of Korea showing open ports 1908