"These are prints of young persons included in Lord Ashley's report on children in mining from 1842. Although children under ten and all women and girls were banned from working underground as a result of the report, boys over ten continued to be used underground...They show how young persons were used to move the coal to the surface."
From the British National Archives' guide to Victorian Britain. This is an excellent source for primary sources online. The Victorian era, from 1837 to 1901, was a time when the government tried to respond to many social changes and consequences of the Industrial Revolution.
Some great resources that are available for free on the web:
**Note! if you are accessing these databases from off-campus you will need to email the librarians for a password (see the "Off Campus" section below).