Preliminary tests of thirteen Washington coals in a powered coal boiler plant at the University of Washington - Wilson, George Samuel, 1880-; Yancey, H. F. (Harry Fagan), 1890-; Daniels, Joseph, 1884-1965 (Seattle, University of Washington, 1931)
"This report represents work done under a co-operative agreement between the University of Washington and the United States Bureau of mines."
Bibliographical foot-notes.
Keywords: Coal -- Testing; Coal -- Washington (State)