TY - BOOK T1 - Benefit/cost analyses of laws and regulations affecting coal :case studies on reclamation, air pollution, and health and safety laws and regulations : final report / DA - 1977. CY - Washington : CN - TD195.C58 CN - TD195.C58 PB - For sale by the Supt. of Docs., PP - Washington : PY - 1977. ID - 10758 KW - Coal mines and mining KW - Environmental law TI - Benefit/cost analyses of laws and regulations affecting coal :case studies on reclamation, air pollution, and health and safety laws and regulations : final report / ER -