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58 (LVIII) — 1947-1948
Identification and Correlation of Coal Seams, 1, 13, 29.
Igneous Rocks, 63, 76, 87, 242.
Inclined Beds, True and Apparent Dip, 266.
Induced Current, Value of, 126.
Industrial Low-grade Heat, 90.
Ingham Mine Disaster Inquiry, 115.
Injector, 142.
Institution of Mining Engineers, 111, 159, 204, 308.
Intrinsic Safety of Electrical Apparatus, 192.
Ironstone and Pyrites, 256.
Isothermal Compression, 143.
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