 | |
| Series | Gravity Map Series (Bouguer Anomalies) |
| No. | 4 |
| Map Name | Gravity Map of Niigata District |
| Scale | 1:200,000 |
| Author | Toshio HIROSHIMA, Masao KOMAZAWA and Tadashi NAKATSUKA |
| Publish Year | 1993 |
| Publisher | Geological Survey of Japan |
| Price | ¥1,760 ( Purchase Guide ) |