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37 (XXXVII) — 1926-1927
Hammer Drills, 398.
Hamstead Disaster Fund, 54.
Hancock, J. G., Retiring, 371.
Harmonious Relations Advocated, 379.
Harper Hill Research Station, 236.
Haulage, 29, 84, 98, 122, 131, 148, 161, 166, 176, 178, 194, 212, 228, 252, 262, 277, 286, 290, 312, 317, 321, 332, 342, 357, 358, 372.
Haulage Accidents, 259.
Haulage Clips, 140.
Haulage Gear, 46.
Haulage Roads, Coal Dust, 317.
Haulage Ropes, 373, 392.
Haulage, Main and Tail, 212, 406.
Haulage, Preventing Accidents, 286.
Hazards, Open Light, 57.
Health in Mining Area, 123.
Heat, 204.
Heating, Spontaneous Moisture and, 8.
Helium in Canada, 348.
Heroes, Certificates, 87, 96, 171.
High Pressure Engines, 61, 125.
High-Volatile Coal, 17.
History, Coal Mining, 236.
History, Flame Safety-lamp, 24.
Holmes Safety Association, 324.
Homes for Aged Miners, 41, 85, 89, 99, 171, 280, 299, 305, 348.
Hopper Gondola Cars, 245.
Horse Roads, Timbering, 189.
Housing of Miners, 136, 225.
Human Factor in Industry, 90.
Humidity of Air, 413.
Hygrometer, 225, 239, 367.
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