<style face="normal" font="default" size="100%">The sub-Cretaceous unconformity and the Devonian subcrop in the Athabasca Oil Sands area, Townships 87–99, Ranges 1–13, West of the Fourth Meridian</style>

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<style face="normal" font="default" size="100%">The sub-Cretaceous unconformity and the Devonian subcrop in the Athabasca Oil Sands area, Townships 87–99, Ranges 1–13, West of the Fourth Meridian</style>