Carbonizing Properties and Petrographic Composition of No. 2-bed Coal from Bartoy Mine and No. 5-bed Coal from Wilkeson-Miller Mine, Wilkeson, Pierce County, Washington
Joseph Dana Davis ยท Dewey A. Reynolds ยท George C. Sprunk ยท Clarence Raymond Holmes ยท J. T. McCartney
1942 เดเดจเต ยท U.S. Department of the Interior, Bureau of Mines