Global Clue

System of tunnels and excavations for the extraction of coal, diamonds, gold and other ores, for which Sir Humphry Davy invented a type of safety lamp

Let's find possible answers to "System of tunnels and excavations for the extraction of coal, diamonds, gold and other ores, for which Sir Humphry Davy invented a type of safety lamp" crossword clue. First of all, we will look for a few extra hints for this entry: System of tunnels and excavations for the extraction of coal, diamonds, gold and other ores, for which Sir Humphry Davy invented a type of safety lamp. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.