121. Reference : AG-1-1/1-124
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. | Slide