- Box 21/ J.7.
- File
- [1966x1967].
Sketch by Harding to show the difference between sinking and slipping put to Leslie Davies, Day 7, p. 337. Agreed by Leslie Davies.
Sketch by Harding to show the difference between sinking and slipping put to Leslie Davies, Day 7, p. 337. Agreed by Leslie Davies.
Sketch by Harding to clarify what the white material on D.8 was, i.e. tip or ground. Day 3, p. 156. Accepted as correct by Watkins.
Sketch by Desmond Ackner of sinking put to Leslie Davies. Day 7, p. 337. Not correct,
Sketch by D. J. Maybank, burner, to show where tip 7 began. Not accurate. Day 15, p. 727,
Sketch by Chairman put by Hugh Watkins (schoolteacher) to clarify what the white material on D.8 was, i.e. tip or ground. Day 3, p. 156.
Sketch by Brown, crane driver, of cracks on top of the tip in 1966 towards the time of the disaster. Day 8, p. 407.
Sketch by Ackner of top of tip on which R. L. Short, resident, drew entirely unhelpful squiggle. No crack at top. Crack in middle somewhere. Day 12, p. 604.
Sketch by Ackner of 18/20 foot drop on 21 October 1966 put to Leslie Davies. Davies made alterations to the sketch. Day 6, p. 335. Sketch still not satisfactory.
Schedule of S.28 Discontinuance Orders,
Schedule of Article 4 Directors approved,
Reports of 1965 and 1966 Joint National Coal Board / National Union of Mineworkers Surface Inspections (formerly file A24). Put to W. R. King. Day 16, p.[...].
Report on mining subsidence by K. W. Ordell and R. J. Piggott,
Report on investigation of the stability of proposed tip at Nantgarw Colliery (Cefn-yr-hafod),
Report on amenity treatment for selected colliery spoil heaps,
Report of the Advisory Committee on Organisation,