| Answer | Crossword Clue |
|---|---|
| LEWIS | Old King Coal. |
| LEWIS | "King Coal." |
| UPTON | "King Coal" author Sinclair |
| SINCLAIR | Muckraker who wrote "King Coal" |
| MINERMINOR | Coal-digging 16-year-old? |
| mudlark | person who gains a livelihood by searching for iron, coal, old ropes, etc., in mud or low tide |
