TY - BOOK ED - Royal Irrigation Department TI - Project estimate for works of irrigation, drainage and navigation to develop the plan of Central Siam : vol. I hydraulic data collected and projects elaborated KW - Irrigation; Drainage; Hydraulic measurements; Rain and rainfall; KW - Irrigation projects KW - Rain and rainfall KW - Irrigation -- Chao Phraya River N1 - Hhydraulic data collected and projects elaborated UR - http://archives-library.rid.go.th:8080/handle/123456789/234 ER -