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55 (LV) — 1944-1945
Raising Load, 10.
Ratcliffe-Ellis, Major A., Death of, 258.
Ratcliffe-Ellis, Major A., Presentation to, 121.
Ratio and Proportion, 230.
Rectangles and Triangles, 231.
Rectangular Co-ordinates, 98.
Regional Surveys, 289.
Rehabilitation of the Mining Industry, 112.
Resection, 198.
Ringrose Gas Alarm, 53.
Road and Haulage Examination, 273.
Road through Coal Pillar, 119.
Roadhead Supports, 75.
Rod, Strength of, 277.
Roof Breaks, 226.
Roof Control, 136.
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