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| Series | Quadrangle Series 1:50,000 |
| No. | 08［TOKYO］-022 |
| Map Name | ISOHAMA |
| Explanatory | Geology of the Isohama District |
| Author | Toru SAKAMOTO |
| Publish Year | 1975 |
| Publisher | Geological Survey of Japan |
| Price | ¥1,430 ( Purchase Guide ) |
| Prefecture | IBARAKI |
| Size | @790mm×@550mm |
| Download | Geological Map (Raster, GeoTIFF, KML, Vector data), Explanatory (PDF format) To this page |