Ordnance Survey National Grid

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151	PDF Document Add to Reading List Source URL: osi.ie Language: English - Date: 2012-03-27 06:40:34 Geophysics Latitude Figure of the Earth Reference ellipsoid Datum Geoid Map projection Ordnance Survey National Grid Geographic coordinate system Geodesy Cartography Measurement
152	PDF Document Add to Reading List Source URL: ilwwcm.renfrewshire.gov.uk Language: English - Date: 2006-06-01 08:22:23 National Monuments Record of Scotland Ordnance Survey Grid reference Cartography United Kingdom Geography