Status Updates From Sand (Scientific American L...

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Ryan is 10% done

— May 01, 2019 07:01AM Add a comment

Chris is on page 150 of 237

— Sep 30, 2017 09:38PM Add a comment

Chris is on page 100 of 237

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Chris is on page 23 of 237

— May 15, 2017 03:00PM Add a comment

David is on page 51 of 237

Reading this science text for general readers as part of my geology class.

— Oct 05, 2009 05:54PM Add a comment