TY - BOOK ED - Royal Irrigation Department TI - Project estimate for works of irrigation, drainage and navigation to develop the plan of Central Siam : vol. II. statement of rainfall, supplies in river, etc. as well as estimates of the irrigation and drainage projects KW - Irrigation; Drainage; KW - Irrigation -- Chao Phraya River; KW - Drainage -- Chao Phraya River N1 - Statement of rainfall, supplies in river, etc. as well as estimates of the irrigation and drainage projects UR - http://archives-library.rid.go.th:8080/handle/123456789/233 ER -