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| Series | Gravity Map Series (Bouguer Anomalies) | 
| No. | 5 | 
| Map Name | Gravity Map of Joshin-Etsu District | 
| Scale | 1:200,000 | 
| Author | Toshio HIROSHIMA, Masao KOMAZAWA and Tadashi NAKATSUKA | 
| Publish Year | 1994 | 
| Publisher | Geological Survey of Japan | 
| Price | ¥2,310 ( Purchase Guide ) |