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All 20 seats to Monaghan County Council | ||||||||||||||||||||||||||||||||||||||||
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Map showing the area of Monaghan County Council | ||||||||||||||||||||||||||||||||||||||||
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An election to Monaghan County Council took place on 10 June 1999 as part of that year's Irish local elections. 20 councillors were elected from four local electoral areas for a five-year term of office on the system of proportional representation by means of the single transferable vote (PR-STV).