Howard Nicholas Eavenson1873 · 4 obras en el catálogoObrasTThe first century and a quarter of American coal industryThe first century and a quarter of American coal industry1942TThe Pittsburgh coal bedThe Pittsburgh coal bed1938SSwaine and DrageSwaine and Drage1950CCoal through the agesCoal through the ages1935
TThe first century and a quarter of American coal industryThe first century and a quarter of American coal industry1942