TY  - BOOK
AU  - Vrtis, George 
AU  -  McNeill, John R.
TI  - Mining North America: An Environmental History since 1522
SN  - 9780520966536
PB  - Walter de Gruyter
KW  - History
UR  - http://www.degruyter.com/isbn/9780520966536
ER  -