Compiled by Alasdair Neill
Results: 76676
| Name | Location | County/State | Country | Sources | ID |
| Coningswood Quarry | Liskeard | Cornwall | England | Duchy of Cornwall. Account of income and expenditure, for the year 1851. Parliamentary Papers, 1852 p.29. | 7151 |
| Constantine (Granite Quarries) | Cornwall | England | Mineral Statistics 1856. MJ 1847 p.370 | 7152 | |
| Cookslund Quarry | Cornwall | England | Mineral Statistics 1856. | 7153 | |
| Coombe Quarry | Chyandour & Gulval | Cornwall | England | MJ 1845 p.458. | 7154 |
| Coombe Valley Slate Quarry | St Gennys | Cornwall | England | MJ 1847 p.85, 101, 108, 120, 132, 133, 139, 140, 143, 147, 150, 150, 154, 155, 161, 166, 169, 181, 207, 226, 238, 262, 281, 285, 304, 422, 475, 476, 478, 533, 536, 584, 597. MJ 1848 p.121, 165, 168, 177 MJ shares listed 1847-1851. See also: Allshard Quarry. Island Quarry. | 7155 |
| Copperhouse (Slag Blocks) | Cornwall | England | MJ 1846 p.339 | 7156 | |
| Cornish Granite Co. Ltd | Cornwall | England | Joint-Stock Companies. Return of the names, objects, places where business is or was conducted, … 12th July 1869. Parliamentary Papers, 1868-1869 p.20. National Archives: BT31/1461/4402. | 7157 | |
| Cornish Valley Slate Quarries Ltd | Tintagel | Cornwall | England | List of Quarries 1920-1922. Register of Defunct Companies 1990 p.138. The Stock Exchange Official Intelligence 1924 p.604-605. Times 11.3.1920. 12.3.1920. 10.9.1920. See also: Jeffery's Quarry. | 7158 |
| Cornwall Brick, Tile, and Terra Cotta Co. | Cornwall | England | MJ 1887 p.39 | 7159 | |
| Cornwall (De Lank) Granite Quarries Ltd | Cornwall | England | Register of Defunct Companies 1990 p.138. Times 22.4.1920. 26.4.1920. | 7160 |
