Maps, Atlases

20万分の1数値地質図幅集「関東甲信越及び伊豆小笠原諸島」

20-manbun no 1 sūchi chishitsuzu fuku shū "Kantō Kōshinʾetsu oyobi Izu Ogasawara Shotō"
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Summary

Provides the vector data and raster data for 1:200,000 digital geological maps of North Hokkaido, and the raster data for 1:50,000 quadrangle geological maps of the same area.

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