1 ene 1591 año - bear up
Descripción:
To prevent the roof of a pit from falling in by leaving pillars of coal uncut, as in Northowram. 1591 <i>the heads, pillars and other work being placed and made … for bearing up the ground there</i> (HAS31/75).
Añadido al timeline:
fecha:
1 ene 1591 año
Ahora mismo
~ 434 years ago