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	url = {http://www.stratigraphy.org/upload/ISChart2009.pdf},
	author = {Ogg, Gabi}
}
@article {208,
	title = {Surficial Geology of the Hamilton Quarry Area, Greenwood County, Kansas},
	year = {2005},
	url = {http://www.kgs.ku.edu/Publications/OFR/2005/OFR05_13/index.html},
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}
