Bristol, England. "The Bristol Mercury, and Western Counties Advertiser" 19 February 1853 (digital images), Findmypast (https://www.findmypast.co.uk, accessed: 3 January 2018), page 8, column 5, headed FATAL ACCIDENTS.

Text from source:

FATAL ACCCIDENTS

- Feb. 15, a collier named Hugh Hughes, was killed on the spot by a stone falling upon him in the four-feet vein, Dowlais.