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1Sapporo oyobi shūhenbu jiban chishitsuzu = Surface geology of Sapporo and its surroundings, Hokkaido札幌及び周辺部地盤地質図 = Surface geology of Sapporo and its surroundings, Hokkaido札幌及び周辺部地盤地質図 = Surface geology of Sapporo and its surroundings, HokkaidoPublished 2006
Electronic Map