Furthermore, by the order of the bakufu (Japanese feudal government headed by a shogun) he opened up Katsura-gawa River (Yodo-gawa River system), Fuji-gawa River, Takase-gawa River (Kyoto Prefecture) and Tenryu-gawa River.
また幕命により、桂川(淀川水系)、富士川、高瀬川(京都府)、天竜川等の開削を行った。