Research at Ban Sanpong,Sanpathong,Chiengmai

1980-1981 Cutting an irrigation channel in the vicinity of the village, of the small type known as Tae.

Research at Ban Sanpong,Sanpathong,Chiengmai

1980-1981 Concrete dams began to be built during the early 1980s. The picture shows the Maewang River, on which 11 dams were built. The third dam, known as Khunkhong, is near Sanpong village.

Research at Ban Sanpong,Sanpathong,Chiengmai

1980-1981 Villagers use coconut trees in order to control the water in the irrigation channels. Lifting the trees slows the flow of water.