The most accurate land-cover maps for Ireland come from a pan European dataset produced by member states for the European Environment Agency. Sylvia Thompson. Thu Sept 19 2019 - 01:00.

Sir,– Sylvia Thompson's well-researched and well-written article "Ireland needs more detailed land-use maps" (Science, September 19th) is a fair reflection of the challenges facing State bodies ...

“These maps were produced between 1809 and 1814 by several teams of surveyors and engineers distributed across Ireland. This mapping project was initiated by the British Government to find new ...