Preliminary tests of thirteen Washington coals in a powered coal boiler plant at the University of Washington,
by George Samuel Wilson, Harry Fagan Yancey [and] Joseph Daniels.
- Seattle, University of Washington, 1931.
- 27 p. illus., tables (2 fold.) diagrs. 23 cm.
"This report represents work done under a co-operative agreement between the University of Washington and the United States Bureau of mines."