Fig. 2From: Metal contamination in a sediment core from Osaka Bay during the last 400 yearsKawachi Lake during the third and fourth centuries AD with location of the inset in the Osaka Bay catchment. The locations of the Naniwa no Horie canal, the port Naniwa-tsu (constructed in the fifth century AD), of Naniwa Palace, and of the present Yodo River and Yamato River are also shown. Modified after Kajiyama and Itihara (1986), Kajiyama and Itihara (1972), and Kusaka (2012)Back to article page