Analysis of information sources in references of the Wikipedia article "Favel Formation" in English language version.
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{{cite web}}: CS1 maint: numeric names: authors list (link)North of the Canadian border, the Greenhorn is not recognized as a formal unit, but its position is recognized in the Favel Formation (second speckled shale unit of petroleum geologists) in Manitoba and Saskatchewan (Wickenden, 1945, p. 33).
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