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45 (XLV) — 1934-1935
U.S. Coal Production, 200.
U.S. Explosions and Safety Measures, 299.
U.S. Mineral Values, 341.
U.S. Protective Clothing, 86.
U.S. Safety Plans, 357.
U.S. Safety Trophy, 73.
Underground Fires, Combating, 195, 228.
Underground Haulage Accidents, 90, 97.
Underground Workers, Conveying, 222, 294.
Underground Workers, Health, 142.
Under-managers Inspect Works, 137.
Under-managers' Tour, Yorkshire, 12.
Unemployment, Machinery and, 216.
Upcast Shaft, Top, 317.
Upper Beeston Seam, 284.
Use of Bars, 50.
Uses for Coal, 19, 129.
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