jan 1, 1591 - bear up
Description:
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).Added to timeline:
Date:
jan 1, 1591
Now
~ 434 years ago