CoalBook - 2004
Formed over millions of years, coal is a sedimentary rock that has been mined by people for use as fuel at least as far back as 1000 BC. This fascinating new book shows the basic make-up of coal, how it is mined, and the problems its use has created.
Publisher: New York : Crabtree Publishing, c2004.
Characteristics: 32 p. :,ill. (some col.) ;,29 cm.