Media contributions
1Media contributions
Title The story behind the benchmarks hiding in plain sight around Ireland Degree of recognition National Media name/outlet RTÉ Brainstorm Media type Web Country/Territory Ireland Date 28/07/25 URL https://www.rte.ie/brainstorm/2025/0728/1525673-ordnance-survey-benchmarks-ireland-history-heritage-height-measurements/ Persons Catherine Porter, Margaret O'Sullivan