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| Series | Geological Map of Japan 1:200,000 |
| Map sheet number | NI-54-19 |
| Map titl | CHIBA |
| Authors | Akira UNOSAWA, Shigefumi OKA, Toru SAKAMOTO and Masao KOMAZAWA |
| Publication year | 1983 |
| Publisher | Geological Survey of Japan |
| Price | out of stock |
| Prefectures covered | CHIBA, IBARAKI |
| Sheet size | 770mm×535mm |
| Download | Geological Map (Raster, GeoTIFF, KML) To this page |