RIDGE MINING PLC. 05 May 2004 - 30 Jul 2009. CLUFF MINING PLC. 15 May 1998 - 05 May 2004. PRECIS (1624) LIMITED. 20 Apr 1998 - 15 May 1998. RIDGE MINING LIMITED - Free company information from Companies House including registered office address, filing history, accounts, annual return, officers, charges, business activity.Web