| Document | Pays | Année | Ressource | Type de contrat | |
|---|---|---|---|---|---|
|
Sierra Minerals Holdings 1, 28N Gria Zone, Concession, 2012
29
|
Télécharger
|
Sierra Leone
|
2012 |
|
|
|
Sierra Minerals Holdings 1, 28N Gria Zone, Environmental Impact Assessment, 2012
|
Sierra Leone
|
2012 |
|
|