Leonard, Betts and Boult
of Coal Pit lane, Easton, Bristol
1830 Colliery founded by William Boult, Robert Leonard and a former Jamaican plantation owner named William Betts (1770-1847) to run a coalmine in Easton. [1]
1833 Leonard, Betts and Boult listed as proprietors of the Lower Easton Colliery.[2]
1836 Merged with Davidson and Walters to form Leonard Boult and Co.