惠农渠志
By: Huinong Qu guan li chu bian
Publisher: Huinong Qu guan li chu
Published: 1986
Place of publication: Ningxia Huizu Zizhiqu
Language: chi
Number of pages: 99
Subjects: Irrigation engineering; History; Irrigation canals and flumes; Hydraulic engineering
Other titles: Huinong Qu zhi