File:Flag of Diamond Bar, California.gif is within the scope of the Heraldry and vexillology WikiProject, a collaborative effort to improve Wikipedia's coverage of heraldry and vexillology. If you would like to participate, you can visit the project page, where you can join the project and see a list of open tasks.Heraldry and vexillologyWikipedia:WikiProject Heraldry and vexillologyTemplate:WikiProject Heraldry and vexillologyheraldry and vexillology articles
