"A petrographic examination has been made of a core sample of the Chamberlain seam obtained in the Sukunka River area, British Columbia. From the analysis a...
A column sample of a 98- inch- thick lignite seam from a strip mine near Estevan, Saskatchewan was analyzed petrographically and chemically. The maceral...
Canada Department of Energy, Mines and Resources, 1970
Significant concentrations of uranium have been found in Cretaceous and younger coals and carbonaceous shales in the mid-western United States. This report...