File of material concerning the 1984/5 miners' strike and the establishment of the Union of Democratic Miners, including:

• letters to David Owen from SDP members/members of the public discussing David Owen's and SDP policy concerning the strike
• David Owen's letter to Margaret Thatcher calling for a full days debate in the House of Commons on the miners' dispute, with Margaret Thatcher's reply, 8 Apr 1984
• news cuttings reporting on the strike and David Owen's statements concerning the dispute
• briefing notes and reference information
• correspondence concerning the establishment of an enterprise company NCB (Enterprise) Ltd by the National Coal Board to alleviate effects of pit closures in certain areas, including letters from David Owen to the Chairman of the NCB, Ian MacGregor, prior to the miners' strike proposing the establishment of an NCB enterprise company, with Ian MacGregor's replies, Mar-May 1984, and transcript of speech by David Owen, Tonbridge, 15 Mar 1984, on `NCB (Industry) Ltd?'
• inner file labelled 'UDM' concerning the establishment and activity of the Union of Democratic Miners, Mar 1985-Jul 1990, including correspondence between David Owen and General Secretary of the UDM Roy Lynk discussing various issues concerning the coal industry, including copy of David Owen's letter setting out the position of the SDP in regard to the UDM and its recognition by British Coal, 8 Jun 1987
• and copied news cuttings.