‰·ò–¼ ‘å[(Obuka)
’n@–¼ å–kŒS“c‘òŒÎ’¬
[“xi‚j -1
‰·@“xiŽj 70.5000
—¬@—Ê(l/min) 58
pH 6
òŽ¿ (CaEMg-SO_4EHCO_3)

Geological Survey of Japan, AIST, 2004