Anh
prospect hole
prospect shaft
trial pit
Đức
schuerfloch
schuerfschacht
schurf
Pháp
fosse de recherche
fouille de recherche
prospect hole,prospect shaft,trial pit /ENERGY-MINING/
[DE] schuerfloch; schuerfschacht; schurf
[EN] prospect hole; prospect shaft; trial pit
[FR] fosse de recherche; fouille de recherche