TY - BOOK CN - TD195.C58 CN - TD195.C58 CY - Washington : DA - 1977. ID - 10758 KW - Coal mines and mining KW - Environmental law PB - For sale by the Supt. of Docs., PP - Washington : PY - 1977. 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 / 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 -