1 Subjects: “...Data mining / bicssc...”

2 Subjects: “...transfer of mining technology...”

3 Subjects: “...mining...”

4 Subjects: “...mining...”

5 Subjects: “...data mining...”

6 Subjects: “...abandoned coal mine...”

7 Subjects: “...mining...”

8 Subjects: “...mine reclamation...”

9 Subjects: “...underground mine...”

10 Subjects: “...mining...”