Salt on the CoalsEllis, Eve, James, Christopher, Edmunds, Catherine, Clarkson, Geraldine, Wikeley, Jeremy · First published 2016Open the Tome
Summary of investigations 1981, Saskatchewan Geological SurveyJames Ellis Christopher, R. Macdonald · First published 1981Open the Tome
Lloydminster and beyondL. S. Beck, James Ellis Christopher, D. M. Kent · First published 1980Open the Tome
The Upper Jurassic Vanguard and Lower Cretaceous Mannville Groups of southwestern SaskatchewanJames Ellis Christopher · First published 1974Open the Tome
The Middle Jurassic Shaunavon Formation of southwestern SaskatchewanJames Ellis Christopher · First published 1964Open the Tome
