The Structural Engineer > Archive > Volume 27 (1949) > Issues > Issue 2 > Mining Subsidence. Evidence given before the Mining Subsidme Committee of the Ministry of Fuel and P
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Mining Subsidence. Evidence given before the Mining Subsidme Committee of the Ministry of Fuel and Power

1. Subsidence due to mineral workings takes the forms of a slow lowering of the surface or a sudden collapse, termed a “sitt,” over a small area; and there are great variations between these two extremes. Major David Kerr