Illinois Coal Mining Investigations, Cooperative Coal Mining Series Illinois State Geological Survey Published: 1915 Total Pages: 792 Get eBook
Abstract of a Report on Illinois Coals Illinois. State Geologist Published: 1858 Total Pages: 116 Get eBook
The Fusibility of Coal Ash and the Determination of the Softening Temperature Arno Carl Fieldner Published: 1918 Total Pages: 1348 Get eBook
Bibliography of United States Bureau of Mines Investigations on Coal and Its Products, 1910-35 Arno Carl Fieldner Published: 1937 Total Pages: 154 Get eBook
