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| Series | Quadrangle Series 1:50,000 |
| No. | 07［NIIGATA］-073 |
| Map Name | IIYAMA |
| Explanatory | Geology of the Iiyama District |
| Author | Yukio YANAGISAWA, Takayuki KANEKO, Sadayuki AKAHANE, Yasuo AWATA, Toshitaka KAMAI and Nobuyuki TSUCHIYA |
| Publish Year | 2000 |
| Publisher | Geological Survey of Japan |
| Price | ¥6,050 ( Purchase Guide ) |
| Prefecture | NAGANO, NIIGATA |
| Size | @790mm×@550mm |
| Download | Geological Map (Raster, GeoTIFF, KML, Vector data), Explanatory (PDF format) To this page |