Series	Marine Geology Map Series
No.	20
Map Name	Geological Map of Oki Strait
Scale	1:200,000
Contents	Geological Map [Appendix] 1. Geomagnetic Anomalies Map 2. Free Air Gravity Anomalise Map 3. Bouguer Gravity Anomalise Map
Publish Year	1982
Publisher	Geological Survey of Japan
Price	¥2,750 ( Purchase Guide )
Remarks