He chuan zheng zhi
By: Li fa yuan kuo hui tu shu guan
Series: Li fa bao zhang zi liao zhuan ji -- di 101 ji
Publisher: Li fa yuan guo hui tu shu guan
Published: 2004
Place of publication: Taibei Shi
Language: chi
Number of pages: 455
Subjects: River engineering; Water pollution
Other titles: River dredging
Notes: Including index.