What Is a Trapper in a Coal Mine?

Answer

Trappers were young boys working down Yorkshire coal mine in the1800s.They were supposed to sit underground so as to open and shut trap doors which went across a mine. Hence allowing coal trucks through
Q&A Related to "What Is a Trapper in a Coal Mine"
Someone whom would sit in a confined area and open and close the door when a cart of coal came, this would cause ventilation in the mines.
http://wiki.answers.com/Q/What_was_a_trapper_in_a_...
Young children called trappers would sit underground opening and shutting trap
http://www.chacha.com/question/what-did-trappers-d...
Open cast sites are generally landscaped and/or forested. Mines with natural water ingress flood completely. Water escaping from a mine may be very toxic due to dissolved minerals
http://www.quora.com/What-happens-to-a-coal-mine-a...
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