| 1968-1969 | Righteous tree selection of 3 watersheds | 112 | Anseong, Sangju, Dongjin |
| 1970-1972 | Forest soil survey for large scale forest development plan | 351 | Peongchang, Jeongseon |
| 1972 | Forest soil survey for insect control belt plan | 16 | Weolseong, Danyang |
| 1972-1973 | Forest soil survey for express way area | 118 | Seoul-Dejeon |
| 1974-1976 | Reconnaissance forest soil survey | 6,640 | Whole country |
| 1980-1985 | Forest soil survey for economic forest plan | 209 | 80 regional complexes |
| 1988-1995 | National forest soil survey | 813 | National forests |
| 1995-2004 | National forest soil survey (1:25,000) | 6,500 | Whole country |
| 2008-2021 | National forest soil survey (1:5,000) | 6,500 | Whole country |