Submarine Structural Chart, Bathymetric Chart, Report of Survey (Risiri To)

Authors=Maritime Safety Agency

Journal/Book_names=Basic Map of the Sea in Coastal Waters (1:50,000)

number=6321(5)

pages=58, 2 sheets

Publish_year=1991

Publish_Country=JPN

Publisher=Maritime Safety Agency

Language_of_Text=JA

note=海底地質構造図「利尻島」 ; 矩形範囲情報（左下緯度 = 44.9169, 左下経度 = 141.011, 右上緯度 = 45.2946, 右上経度 = 141.3788）

ID=199102100