Westmoreland Coal Company is an energy company. The Company operates through six segments: Coal - U.S., Coal - Canada, Coal - Westmoreland Resource Partners, LP (WMLP), Power, Heritage and Corporate. Coal - U.S. segment includes the operations of coal mines located in Montana, North Dakota, Ohio, Texas and New Mexico. Coal - Canada segment includes the operations of coal mines located in Alberta and Saskatchewan. Coal - WMLP segment includes the operations of Westmoreland Resource Partners, LP, a coal master limited partnership. Power segment includes its Roanoke Valley Power Facility (ROVA) operations located in North Carolina. Heritage segment includes the benefits the Company provides to former mining operation employees, as well as other administrative costs associated with providing those benefits and cost containment efforts. Corporate segment consists of corporate administrative expenses.