Contains minutes for meetings held by the YNT including Executive Committee, Council, Finance Committee and Sub-Committee, Annual General Meeting and Area Group Leaders.

Venues include Clifford Chambers, Clifford Street, York; York University; 20 Castlegate York.

Topics discussed include general business of the Trust, warden's duties at Spurn, creation of potential reserves, revision of Articles of Association, list of Council members (1970), membership numbers and recruitment, the Trust's move to new offices (Aug 1972), coastal erosion, building of new houses at Spurn (Sep 1972), purchase of a tractor and trailer (Apr 1973), litter and staff responsibilities.

Also includes correspondence between YNT members, memorandum to Finance Sub-Committee and Executive Committee from Hon Treasurer (1969), report on Low Ellers Inquiry (1971), material marked Strictly Confidential 'A New Look at the Voluntary Nature Conservation Movement' presented by Royal Society for Protection of Birds, Society for the Promotion of Nature Reserves and the Association of Nature Conservation Trusts (Oct 1971), report on the proceedings of Public Inquiry into proposed siting of a prison at Full Sutton or Riccall (Dec 1972), balance sheet and accounts (Jan 1972), report 'Hard Rock Resources in the Craven District of Yorkshire' (Feb 1973), notes on requirements for appointment of a Field Officer (c.1973), copies of 'Reserve News' (1973, 1974) and Education Policy (Jun 1974).