1. Ammonoid faunas of the Upper Cretaceous rocks of Vancouver Island, British Columbia;JL Usher;Geological Survey of Canada, Bulletin,1952
2. New and revised ammonites from the Upper Cretaceous Nanaimo Group of British Columbia and Washington State;JW Haggart;Contributions to Canadian Paleontology, Geological Survey of Canada, Bulletin,1989
3. Late Cretaceous climatic trends and a positive carbon isotope excursion at the Santonian–Campanian boundary in British Columbia, northeastern Pacific;YD Zakharov;Sedimentary Geology,2013
4. The Upper Cretaceous Nanaimo Group, Georgia Basin;PS Mustard;Geology and Geological Hazards of the Vancouver Region, Southwestern British Columbia, Geological Survey of Canada Bulletin,1994
5. Guidebook for geological field trips in Southern British Columbia;PS Mustard,2003