Note 51 — Chapter V · Proposed Improvements in Irrigation Canals.
Reading edition
Punjab Irrigation Paper No. 11 C. “Lining of Watercourses to reduce absorption losses. Experiments of 1908-1911.”
Reading edition
Punjab Irrigation Paper No. 11 C. “Lining of Watercourses to reduce absorption losses. Experiments of 1908-1911.”