Contribution of gpr and magnetic methods to the definition of the internal structure of a clogged mining dam in the riotinto mine, south west Spain

1. Alvarez, J.P.F.
2. Flores, J.B.
3. Valcarce, L.V.
4. Grande, J.A.
5. de la Torre, M.L.
6. Valente, T.
7. Santisteban, M.