Definition of colliery:
stone, goldmine, coal miner, pit, conflict diamonds, orchestra pit, cavity, coal, perdition, endocarp, coal mine, infernal region, pitfall, fossa, coalfield, gallery, gold rush, nether region, coal mining, stone pit, quarry.
- "The Student's Elements of Geology", Sir Charles Lyell.
- "Autobiography of Sir George Biddell Airy", George Biddell Airy.
- "The First Hundred Thousand", Ian Hay.