(See quot.)

1

1670.  Pettus, Fodinæ Reg., Gloss. s.v., Boles or Bolestids are places, where in ancient time (before Smelting Mills were invented) the Miners did fine their lead.

2

1783.  S. Pegge, in Archaeologia, (1785), VII. 170 (D.). There was a bole, by which is meant a place where in ancient times, before smelting mills were invented, miners used to smelt their lead ores.

3