Coal Mining in the Pacific Northwest

Central Washington University Archives and Special Collections. Digital Collections. 
Location: Online. Please note in particular community projects, Roslyn African American Pictures, Suncadia Legacy Collections

Laura McCarty. "Coal in the Puget Sound Region." HistoryLink. 2003.
Location: Online

Oregon Public Broadcasting. "Coal in the Northwest." 
Location: Online

University of Washington. Digital Collections. 
Location: Online

Washington State Department of Natural Resources. "Washington State Coal Mine Map Collection." 
Location: Online

Washington State Historical Society. Digital Collection. 
Location: Online

Miner-Echo [Cle Elum, Washington].
Location: Issues from 1902 to 1960 can be found at Brooks Library, 3rd floor, Government Documents, MM-261

Washington Secretary of State. Historical Newspapers in Washington State. 
Location: Online