Geological survey map of Ireland : published on a scale of one inch to a statute mile / Geological Survey of Ireland ; Ordnance Survey of Ireland (Sheet 159. (Blackwater))
Relief shown by hachures and spot heights. "All the map sheets were published". Princeton Map Collection lacks some. "Engraved at the Ordnance Survey Office, Dublin." "Thick black lines = Horizontal Sections". "All the Sheets of the Map are described in Explanatory Memoirs, but in many cases one Memoir describes several Sheets or portions of Sheets." Includes indexes to sheets and date information when the geology of the map was done.
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