| http://www.w3.org/ns/prov#value | - mers; ???our inability to collect payments from customers if their creditworthiness declines; ???the disruption of rail, barge, gathering, processing and transportation facilities and other systems that deliver our coal and natural gas to market; ???a loss of our competitive position because of the competitive nature of the coal and natural gas industries, or a loss of our competitive position bec
|
