| Answer | Crossword Clue |
|---|---|
| MOLE | Tunneling pest |
| MOLE | Tunneling lawn pest |
| GOPHERS | Tunneling rodents |
| ANTS | Tunneling insects |
| BORERS | Tunneling machines |
| BORINGBOAR | Tunneling tusker? |
| MOLE | Tunneling mammal |
| DIGTO | Reach via tunneling |
| VAULTFINDER | Tunneling bank robber? |
| FPM | Tunneling machine's progress meas. |
| FPM | Measurement for a tunneling machine, briefly |
| DITCHINGTHEDIRT | Problem when tunneling out of prison? |
| ATOM | It can be viewed with a scanning tunneling microscope |
