Note 55 — Chapter I · MINING—COAL
Reading edition
Galloway (op. cit., 113-14) gives a late sixteenth-century case in Wakefield, where the 'heads, pillars, and other works ... for bearing up the ground' being cut away, the ground suddenly fell in.
Reading edition
Galloway (op. cit., 113-14) gives a late sixteenth-century case in Wakefield, where the 'heads, pillars, and other works ... for bearing up the ground' being cut away, the ground suddenly fell in.