00850cam a22002291 4500 gs 25000070 DLC 20260227111329.0 900518s1924 wauaf 000 0 eng c gs 25000070 (OCoLC)21552954 Library, U.S. Geological Survey TxU DLC premarc TN816 .M3 McMillan, Earl Renwick, 1893- Coal washing problems of the Pacific Northwest, by Earl Renwick McMillan ... and Byron Matthew Bird ... Seattle, 1924. 234 p. illus., plates, tables (part fold.) diagrs. 23 cm. Washington (State) University. Engineering Experiment Station. Engineering Experiment Station series. Bulletin no. 28 Coal mines and mining. Bird, Byron Matthew, joint author. 26366 26366