Rude stone monuments in all countries : their age and uses (1872)
Fergusson, James, 1808-1886 · London, J. Murray · leaf 233
rm,and, no doubt, in purpose, to the three at New Grange, butfar larger, being 5 feet by 3 feet. The southern branch of thechamber extends to K in a curvilinear form for about 28 feet, whereit is stopped for the present by a large stone, and another partiallyobstructs the passage at 8 feet in front… … 09. Chambers in Mound at Dowth. From a MS. plan. 1 In extenuation of this disfigurement,it must be explained that these Irishcairns are extremely difficult to explorewithout destroying them. Being whollycomposed of leotc stoius. it, is almost impossible to tunnel into them, andalmost as difficult…
Megalithic monuments
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.