Works Cited
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"Lake Superior Agates with Scott." E-mail interview. 13 Feb. 2017.
Lynch, Dan R./ Lynch Bob. Agates of Lake Superior: Stunning Varieties and How They Are Formed. N.p.: Adventure Pubns, 2012. Print.
Marshall, John. "The "Other" Lake Superior Agates." (n.d.): n. pag. Web.
Meyer, Rick. "LAKE SUPERIOR AGATES – HOW DID THEY FORM?" N.p., n.d. Web.
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Wolter, Scott F., and Rick Kollath. Amazing Agates: Lake Superior's Banded Gemstone. Duluth, MN: Kollath Stensaas Pub., 2010. Print.
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