1981 - Lower Devonian Brachiopods and Conodonts From the Delorme Formation Cathedral Mountain Southwestern District of Mackenzie [Lochkovian - Bulletin / Geological Survey of Canada] (Paperback)   Biostratigraphy and Paleontology of Middle-upper Devonian Boundary Beds Gypsum Cliffs Area Northeastern Alberta [Bulletin / Geological Survey of Canada] (Paperback) ISBN-13: 9780660105994 ISBN-10: 0660105993 ? Stratigraphy and Paleontology of the Lowermost Upper Devonian Slave Point Formation on Lake Claire and the Lower Upper Devonian Waterways Formation On [Bulletin / Geological Survey of Canada] (Other) Brachiopods Nervostrophia Eostrophalosia and Devonoproductus From the Lower Upper Devonian Waterways Formation [Schizophoria, Strophodonta Strophodonta - Bulletin / Geology Survey of Canada] (Paperback) Stratigraphy of Devonian Outcrop Belts in Northern Yukon Territory and Northwestern District of Mackenzie [operation Porcupine area - Memoir / Geological Survey of Canada] (Other) |
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