Heisei 21-nendo dojō kankyō ni hairyoshita shunsetsu dosha katsuyō hōsaku ni kansuru kentō gyōmu hōkokusho
Publisher: Kokudo Kōtsūshō Kōwankyoku
Published: 2010
Place of publication: [Tōkyō-to Chiyoda-ku]
Language: jpn
Subjects: Fills (Earthwork); Dredging
Other titles: Dojō kankyō ni hairyoshita shunsetsu dosha katsuyō hōsaku ni kansuru kentō gyōmu hōkokusho