File 16384 is a 6.1MB PowerPoint Uploaded:
May19 09 https://serc.carleton.edu/download/files/16384/richards_presentation.ppt
The file is referred to in 1 page
Provenance Monica Bruckner, Carleton College
Reuse This item is offered under a Creative Commons Attribution-NonCommercial-ShareAlike license http://creativecommons.org/licenses/by-nc-sa/3.0/ You may reuse this item for non-commercial purposes as long as you provide attribution and offer any derivative works under a similar license.