|1877–1882||manager Lisburn South lead and silver mine, Ystradmeurig [Burt, Waite & Burnley 1986: 61]|
|1885||agent at Mynydd Nodol for Henry Hands|
|‘On the occurence of manganese ore in the Cambrian rocks of Merionethshire’ [Halse 1887]|
|‘Notes on the occurrence of manganese ore near the Arenigs, Merionethshire’ [Halse 1892]|
Other publications include A dictionary of Spanish and Spanish-American mining, metallurgical and allied terms to which some Portuguese and Portuguese-American (Brazilian) terms are added, London Griffin, 1908.