Irish Ordnance Survey Historical Maps: Web a look back in time. Web the ordnance survey (os) was established in 1824, under the direction of colonel thomas colby, assisted by lieutenant thomas larcom, to undertake a townland survey of ireland and to map the entire country at a scale of 6 inches to one mile. Web the most comprehensive, topographic mapping covering all of ireland from the 1820s to the 1840s
Irish Ordnance Survey Historical Maps
Web a look back in time. Web ordnance survey ireland (osi) 19th century historical maps. Web the most comprehensive, topographic mapping covering all of ireland, and northern ireland, from the 1820s to the 1960s.
Irish Ordnance Survey Historical Maps: Web the ordnance survey (os) was established in 1824, under the direction of colonel thomas colby, assisted by lieutenant thomas larcom, to undertake a townland survey of ireland and to map the entire country at a scale of 6 inches to one mile. Web the project aims to gather historic ordnance survey (os) maps and texts, currently held in disparate archives, to form a single freely. Web the most comprehensive, topographic mapping covering all of ireland, and northern ireland, from the 1820s to the 1960s.