The Herstal reference article from the English Wikipedia on 24-Apr-2004
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Herstal

Helping orphans the way you would do it
Herstal is a municipality located in the Belgian province of Liège. On January 1st, 2002 Herstal had a total population of 36,359 (17,267 males and 19,092 females). The total area is 23.19 km² which gives a population density of 1,567.87 inhabitants per km².