D1816/1-2 | Photocopy of Abstract of Metalliferous Mines General Regulations, 1938, Mill Close Mine | 1938 | Mill Close Lead Mine, near Stanton in Peak | Derbyshire Record Office |
D1816/3-4 | Certificates of authority to operate electrical machinery at Mill Close Mines, Ltd., dated 23 Jul... | 1935-1939 | Mill Close Lead Mine, near Stanton in Peak | Derbyshire Record Office |