| Client | Yooshin Engineering Corporation/Gosu Cave Cultural Heritage Management Office |
|---|---|
| Year | 2016. 11 ~ 2017. 04 |
| Location | Gosu-ri, Danyang-eup, Danyang-gun, Chungcheongbuk-do |
| Task details | In-situ/field investigation, safety investigation and safety design against rockslide |