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Beaverton, Oregon Beavercreek, Oregon Beaverton, Alabama Beavercreek, Ohio Beaver Dam, Wisconsin Beaver, Arkansas Beaver Falls, Pennsylvania Beaver Creek, Minnesota Beaver Bay, Minnesota Beaverville, IllinoisTài liệu tham khảo
WikiPedia: Beaverton,_Oregon http://www.extended.pdx.edu/degrcomp/beaverton/loc... http://www.pdx.edu/media/p/r/PRC_Certified_Cities_... http://www.beavertonoregon.gov/ http://www.beaverton.org/ http://www.beavertonlibrary.org/ //tools.wmflabs.org/geohack/geohack.php?language=v... //tools.wmflabs.org/geohack/geohack.php?language=v... //tools.wmflabs.org/geohack/geohack.php?language=v... http://bluebook.state.or.us/local/cities/ad/beaver... https://commons.wikimedia.org/wiki/Category:Beaver...