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51 (LI) — 1940-1941
Mechanical Stoking, Coals, 328.
Memoirs (Vol. 39) of G.S., 123.
Mensuration Problems, 390.
Metal Mine Accidents, 213, 234.
Metal Mine Development, 326.
Midland and Southern Accidents, 322.
Milburn Formula, 261.
Miller, W. T., an O.B.E., 217.
Mine Resistance, 68.
Mineral Matter, Weathering, 228.
Miner's Dial, 349.
Miners' Welfare, 10, 25, 53, 81, 168, 199.
Mining Calculations, 29, 38, 54, 68, 86, 97, 120, 136, 148, 168, 182, 198, 216, 232, 248, 264, 278, 296, 308, 324, 343, 356, 376, 392, 408.
Mining Conditions, 109.
Mining Methods in Pennsylvania, 129.
Miscellaneous Items, 4, 5, 7, 9, 21, 32, 34, 53, 59, 64, 73, 85, 91, 99, 100, 131, 135, 165, 169, 187, 201, 211, 213, 219, 227, 233, 243, 245, 259, 261, 276, 304, 315, 339, 343, 359, 362, 373, 376, 378, 387, 407.
Miss-fired Shots, 305.
Mist Projector Tests, 113.
Mossfield Colliery Explosion, 152.
Motive Column, 269.
Motor Types in Canada, 202.
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