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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:407144
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en.wikipedia.org/wiki/Des_Plaines,_Illinois (21 Jul 2010)
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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:2394524
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idaillinois.org/cdm/landingpage/collection/desplain001 (23 Feb 2013)