References:

http://costco.com

http://www.costco.com/Common/Search.aspx?whse===AprilConnection2006=0=AprilConnection2006_re=1-_-Top_Left_Nav-_-Top_search

http://www.costco.com/Warehouse/locator.aspx?cm_re=1-_-Top_Right_Nav1-_-Top_locations