Report on the geology of the County of Londonderry and of parts of Tyrone and Fermanagh :
examined and described under the authority of the Master General and Board of Ordnance /
by J.E. Portlock.
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| Format: | Book |
| Language: | English |
| Published / Created: |
Dublin :
H.M.S.O.,
1843.
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| Notes: | This is the first report of the Geological Department of the Ordnance Survey of Ireland. Physical description: xxxii, 784 p. : ill., fold. map ; 8vo more |