http://digfir-published.macmillanusa.com/mckay12emaptimelines/mckay12emaptimelines_ch20_1.htmlMap Quiz for Chapter 20578e3a8b757a2e6673000000
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http://digfir-published.macmillanusa.com/mckay12emaptimelines/mckay12emaptimelines_ch20_2.htmlTimeline Activity for Chapter 20578e3a8b757a2e6673000000
http://digfir-published.macmillanusa.com/mckay12emaptimelines/mckay12emaptimelines_ch20_2_dlap.xmlDLAP questions578e3a8b757a2e6673000000