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Accession Number 995.13.1 Title groundstone object Object Status original Category decorative/ceremonial Object Type ground-stone cobble Portion complete Creator unknown Place Collected North America: Canada, Alberta Place Collected Details Unnamed Area 29 View Site Details » Cultural Region Great Plains Collected By Peters, Peter J Provenience surface collection Materials lithic > igneous > basalt Techniques ground-stone Measurements diameter: 21.5 cm; thickness: 2.25 cm Description 4 notches in edge at 4 spots equal distance from each other possibly representing 4 directions (ceremonial object?). Also plough marks. Credit Line Geology Dept., University of Alberta