| http://www.w3.org/ns/prov#value | - North American Coal: (1) the successful integration of the Reed Minerals acquisition, (2) changes in the demand for and market prices of metallurgical coal produced at the Reed Minerals operations, (3) changes in tax laws or regulatory requirements, including changes in mining or power plant emission regulations and health, safety or environmental legislation, (4) changes in costs related to geolo
|
