. . . "Carbonizing Properties of Pocahontas No. 3-Bed Coal from Kimball, McDowell County, W. Va., and the effect of blending this coal with Pittsburgh-Bed Coal. By J.D. Davis [and others], etc"@en . . . . . . . . . . . . . . . . . "Carbonizing properties of Pocahontas no. 3-bed coal from Kimball, McDowell county, W. Va. : and the effect of blending this coal with Pittsburgh-bed coal" . "Carbonizing properties of Pocahontas no. 3-bed coal from Kimball, McDowell county, W. Va and the effect of blending this coal with Pittsburgh-bed coal"@en . . . "Carbonizing properties of Pocahontas No. 3-bed coal from Kimball, McDowell County, W. Va., and the effect of blending this coal with Pittsburgh-bed coal" . . . . "Etats-Unis. Mines (Bureau)" . .