| Section title | Mentions | House | Date |
|---|---|---|---|
| MINERAL WORKINGS BILL [H.L.] | 1 | Lords | 1971-03-03 |
| MINERAL WORKINGS BILL [H.L.] | 1 | Lords | 1971-03-15 |
| MINERAL WORKINGS BILL [H.L.] | 1 | Lords | 1971-04-01 |
| MINERAL WORKINGS BILL [H.L.] | 1 | Lords | 1971-04-06 |
| MINERAL WORKINGS BILL [H.L.] | 1 | Lords | 1971-07-20 |