File:Colliery and Coal Miners.jpg

Summary
Men leaving a pit prior to The Great War, painted by Gerald Palmer for More Pictures of British History by E.L.Hoskyn, A & C Black, London, 1914, p.62. A colliery is a coal mine and its structures - in the United States, United Kingdom, and South Africa. A colliery in Australia is an underground coal mine. This file is in the public domain in countries with a copyright term of life of the author plus 70 years or less.