| Answer | Crossword Clue |
|---|---|
| SHALE | Petrologist's concern. |
| ROCK | Petrologist's specimen |
| ROCKYROAD | Apt address for petrologists? |
| Answer | Crossword Clue |
|---|---|
| SHALE | Petrologist's concern. |
| ROCK | Petrologist's specimen |
| ROCKYROAD | Apt address for petrologists? |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.