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6PK Raw Limestone Chalk, Sedimentary Rock Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs | Sedimentary rocks, Limestone, Sedimentary
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collection of various limestone sedimentary rocks (limestone, tuff, ash-tuff, , camstone, chalk, coquina, travertine, tufa, chalkstone) isolated on wh Stock Photo - Alamy
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