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Flush bracket bench mark located on the southern side of Ballynafoy trig pillar.... (more)

Tags: type:Close LookX   Flush BracketX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS BenchmarkX   OS Flush BracketX   OS Flush Bracket LocationX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   TrigX   subject:Trig PointX   Trig PointX  

Flush bracket benchmark on Collin trig pillar J2670 : Collin Triangulation Pillar. The number on the... (more)

Tags: place:BelfastX   BelfastX   Bench MarkX   subject:BenchmarkX   Benchmark SiteX   type:Close LookX   CollinX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Bench Mark LocationX   OS BenchmarkX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   subject:Trig PointX   Trig PointX   top:UplandsX  

Flush bracket bench mark on Trostan trig pillar. The pillar sits at 551m above... (more)

Tags: Antrim HillsX   Bench MarkX   Benchmark SiteX   type:Close LookX   Flush BracketX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Flush BracketX   OS Flush Bracket LocationX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   place:Triangulation StationX   Triangulation StationX   Trig PointX   subject:Trig PointX   top:UplandsX  

Flush bracket bench mark on Trig pillar Ballywhite Triangulation Pillar. The... (more)

Tags: subject:BenchmarkX   type:Close LookX   top:CoastalX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   Ordnance Survey Trig PointX   OS Flush BracketX   OS Flush Bracket LocationX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   TrigX   Trig PointX   subject:Trig PointX   Trigonometrical StationX   top:UplandsX  

Flush bracket bench mark on Dundee Law trig pillar. The number on the bracket is S4607.

Tags: subject:BenchmarkX   type:Close LookX   DundeeX   place:DundeeX   Dundee LawX   Flush BracketX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   OS Flush BracketX   OS Flush Bracket LocationX   OS Triangulation PillarX   OS Trig Pillar   TriangulationX   Triangulation PillarX   TrigX   subject:Trig PointX  

Trig pillar located in a field off the Ballynafoy Road, a few miles south of... (more)

Tags: type:Close LookX   top:Farm, Fishery, Market GardeningX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   TrigX   subject:Trig PointX   Trig PointX  

Trig pillar on Aughrim Hill, 2 miles west of Toome. Although close to the centre... (more)

Tags: type:Close LookX   top:Historic Sites and ArtefactsX   Ordnance Survey Northern IrelandX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   Triangulation PillarX   TrigX   subject:Trig PointX   Trig PointX  

Trig pillar on Aughrim Hill, 2 miles west of Toome. Although close to the centre... (more)

Tags: type:Close LookX   top:Historic Sites and ArtefactsX   Ordnance Survey Northern IrelandX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   Triangulation PillarX   TrigX   Trig PointX   subject:Trig PointX  

Flush bracket bench mark on Tully hill trig pillar between Ahoghill and... (more)

Tags: subject:BenchmarkX   BenchmarkX   type:Close LookX   Flush BracketX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   OS BenchmarkX   OS Flush BracketX   OS Flush Bracket LocationX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   TriangulationX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   Trig PointX   subject:Trig PointX   top:UplandsX  

Trig pillar on the summit of Collin Mountain to the south-west of Belfast. The... (more)

Tags: BelfastX   place:BelfastX   type:Close LookX   CollinX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   subject:Trig PointX   Trig PointX   top:UplandsX  

Trig pillar on the summit of Collin Mountain to the south-west of Belfast. The... (more)

Tags: place:BelfastX   near:BelfastX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   subject:Trig PointX   Trig PointX   top:UplandsX  

Trig pillar located in a field off the Ballynafoy Road, a few miles south of... (more)

Tags: top:Farm, Fishery, Market GardeningX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   TrigX   subject:Trig PointX   Trig PointX  

Trig pillar located in a field off the Ballynafoy Road, a few miles south of... (more)

Tags: top:Farm, Fishery, Market GardeningX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   TrigX   Trig PointX   subject:Trig PointX  

Flush bracket bench mark on the trig pillar on the summit of Sliabh Mártain... (more)

Tags: Bench MarkX   BenchmarkX   type:Close LookX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   place:Kilbroney Forest ParkX   Ordnance Survey BenchmarkX   Ordnance Survey Triangulation PillarX   OS BenchmarkX   OS Flush BracketX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   Triangulation PillarX   TrigX   subject:Trig PointX   top:UplandsX  

Flush bracket bench mark on Squires Hill trig pillar. The number on the... (more)

Tags: place:BelfastX   BelfastX   Bench MarkX   subject:BenchmarkX   Benchmark SiteX   type:Close LookX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   Hill SummitX   top:Historic Sites and ArtefactsX   O/S Bench MarkX   Ordnance SurveyX   Ordnance Survey BenchmarkX   Ordnance Survey Northern IrelandX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Bench Mark LocationX   OS BenchmarkX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   Squires HillX   Triangulation PillarX   subject:Trig PointX   top:UplandsX  

Flush bracket bench mark located on the Casaeldona Triangulation Pillar. The... (more)

Tags: place:BelfastX   BelfastX   subject:BenchmarkX   type:Close LookX   Flush BracketX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   Ordnance Survey Trig PointX   OS Flush BracketX   OS Flush Bracket LocationX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   subject:Trig PointX   top:UplandsX  

Flush bracket bench mark on Carninard trig pillar. The number on the bracket... (more)

Tags: BallyboleyX   Ballyboley ForestX   Bench MarkX   subject:BenchmarkX   type:Close LookX   Flush BracketX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   ForestX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   OS Bench Mark LocationX   OS BenchmarkX   OS Flush BracketX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   Triangulation PillarX   subject:Trig PointX   top:UplandsX   top:Woodland, ForestX  

Trig pillar located on a hill off the Killinakin Road between Killinchy and... (more)

Tags: top:Farm, Fishery, Market GardeningX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   Triangulation PillarX   Triangulation PointX   place:Triangulation StationX   Triangulation StationX   Trig PointX   subject:Trig PointX   top:Wild Animals, Plants and MushroomsX  

Trig pillar on the summit of Slieve Foye at 589m above sea level; this is also... (more)

Tags: type:GeographX   top:Historic Sites and ArtefactsX   subject:MountainX   Mountain TopX   Mountain ViewX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   Slieve FoyeX   TriangulationX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   place:Triangulation StationX   TrigX   Trig PointX   subject:Trig PointX   top:UplandsX  

Trig pillar on the summit of Slieve Foye at 589m above sea level; this is also... (more)

Tags: type:GeographX   top:Historic Sites and ArtefactsX   subject:MountainX   Mountain TopX   Mountain ViewX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   Slieve FoyeX   TriangulationX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   place:Triangulation StationX   TrigX   Trig PointX   subject:Trig PointX   top:UplandsX  

Primary OSNI trig pillar on the summit of Trostan. This is the highest point in... (more)

Tags: Antrim HillsX   type:GeographX   top:Historic Sites and ArtefactsX   Mountain SummitX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   SummitX   Summit CairnX   Summit PlateauX   Summit ViewX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   place:Triangulation StationX   subject:Trig PointX   Trig PointX   top:UplandsX  

The top of Trostan trig pillar. The centre cap is missing and some erosion of... (more)

Tags: Antrim HillsX   type:Close LookX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   place:Triangulation StationX   subject:Trig PointX   Trig PointX   top:UplandsX  

Primary OSNI trig pillar on the summit of Trostan. This is the highest point in... (more)

Tags: Antrim HillsX   Bavarian SchonglesX   DogX   type:GeographX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   place:Triangulation StationX   Triangulation StationX   subject:Trig PointX   Trig PointX   top:UplandsX  

Trig pillar in a field off the Listullycurran Road between Dromore and... (more)

Tags: Field GateX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   Trig PointX   subject:Trig PointX  

Flush bracket bench mark on Browndod Triangulation Pillar J2092 : Browndod Triangulation Pillar. The mark... (more)

Tags: Bench MarkX   Bench MarksX   subject:BenchmarkX   type:Close LookX   Flush BracketX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   O/S Bench MarkX   Ordnance SurveyX   Ordnance Survey Northern IrelandX   Ordnance Survey Triangulation PillarX   OS Bench Mark LocationX   OS BenchmarkX   OS Flush BracketX   OS Flush Bracket LocationX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   Triangulation PillarX   subject:Trig PointX   top:UplandsX  

Trig pillar on the summit of Slieve Foye at 589m above sea level; this is the... (more)

Tags: CarlingfordX   type:Close LookX   top:Historic Sites and ArtefactsX   subject:MountainX   Mountain TopX   Mountain ViewX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   Slieve FoyeX   TriangulationX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   place:Triangulation StationX   TrigX   subject:Trig PointX   Trig PointX   top:UplandsX  

Tags: near:BournemouthX   near:ChristchurchX   top:CoastalX   Coastal ViewX   type:GeographX   place:Hengistbury HeadX   Ordnance Survey Triangulation PillarX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   TriangulationX   Triangulation PillarX   Triangulation PointX   Trig PointX   subject:Trig PointX  

A triangulation point (or "trig point") on Ballard Down, near Swanage.... (more)

Tags: near:BournemouthX   top:CoastalX   Coastal ViewX   county:DorsetX   type:GeographX   Isle of PurbeckX   place:Isle of PurbeckX   Jurassic CoastX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OS Trig PointX   near:PooleX   near:SwanageX   Triangulation PillarX   Triangulation PointX   subject:Trig PointX   Trig PointX  

Flush bracket bench mark on Carnmoney Hill trig pillar. The mark hasn't... (more)

Tags: Bench MarkX   subject:BenchmarkX   Carnmoney HillX   type:Close LookX   Flush BracketX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   Ordnance Survey Northern IrelandX   Ordnance Survey Triangulation PillarX   OS Bench Mark LocationX   OS BenchmarkX   OS Flush BracketX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   Triangulation PillarX   top:UplandsX  

Trig pillar on Aughrim Hill, 2 miles west of Toome. Although close to the centre... (more)

Tags: type:Close LookX   top:Farm, Fishery, Market GardeningX   top:Historic Sites and ArtefactsX   Ordnance Survey Northern IrelandX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   Triangulation PillarX   TrigX   subject:Trig PointX  

The top of the trig pillar on Cannon Hill south of Loughgall. A rivet has been... (more)

Tags: type:Close LookX   top:Historic Sites and ArtefactsX   Ordnance Survey Northern IrelandX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   Triangulation PillarX   subject:Trig PointX  

Trig pillar atop Dundee Law.

Tags: place:DundeeX   DundeeX   Dundee LawX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   OS Triangulation PillarX   OS Trig Pillar   top:Suburb, Urban FringeX   TriangulationX   Triangulation PillarX   TrigX   subject:Trig PointX  

A triangulation pillar (or "trig point") on Wavering Down in Somerset,... (more)

Tags: near:AxbridgeX   type:GeographX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   county:SomersetX   TriangulationX   Triangulation PillarX   Triangulation PointX   Trig PointX   subject:Trig PointX   top:UplandsX   near:WinscombeX  

A triangulation pillar (or "trig point") on Wavering Down in Somerset,... (more)

Tags: near:AxbridgeX   type:GeographX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   county:SomersetX   TriangulationX   Triangulation PillarX   Triangulation PointX   subject:Trig PointX   Trig PointX   top:UplandsX   near:WinscombeX  

A triangulation pillar (or "trig point") on Wavering Down in Somerset,... (more)

Tags: near:AxbridgeX   type:GeographX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   county:SomersetX   TriangulationX   Triangulation PillarX   Triangulation PointX   Trig PointX   subject:Trig PointX   top:UplandsX   near:WinscombeX  

Trig pillar on Morris Hill a few miles SW of Randalstown. The pillar sits in a... (more)

Tags: type:Close LookX   top:Historic Sites and ArtefactsX   place:Morris HillX   Ordnance Survey Triangulation PillarX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   Triangulation PillarX   subject:Trig PointX   Trig PointX   Trigonometric PillarX   Trigonometrical StationX   TrigpointX  

The top of Ballywhite Triangulation Pillar. The pillar is in very good... (more)

Tags: top:CoastalX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance Survey Trig PointX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   TrigX   Trig PointX   subject:Trig PointX   Trigonometrical StationX   top:UplandsX   subject:ViewX  

Trig pillar on the summit of Sliabh Mártain above Rostrevor at 485m. Accessed... (more)

Tags: Carlingford LoughX   type:GeographX   top:Historic Sites and ArtefactsX   place:Kilbroney Forest ParkX   Ordnance Survey Triangulation PillarX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   Triangulation PillarX   TrigX   former:Trig PillarX   subject:Trig PointX   top:UplandsX  

Trig pillar at the summit of Squires Hill above Belfast at about 379m above sea... (more)

Tags: Fenced CompoundX   type:GeographX   Hill SummitX   top:Historic Sites and ArtefactsX   Ordnance SurveyX   Ordnance Survey Northern IrelandX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   Squires HillX   Triangulation PillarX   subject:Trig PointX   top:UplandsX  

Trig pillar on Tully hill between Ahoghill and Portglenone. The pillar sits in a... (more)

Tags: top:Farm, Fishery, Market GardeningX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   TriangulationX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   Trig PointX   subject:Trig PointX   top:UplandsX  

Flush bracket bench mark on Slieve Gullion Triangulation Pillar J0220 : Slieve Gullion Triangulation Pillar.... (more)

Tags: Bench MarkX   Bench MarksX   Bench-MarkX   subject:BenchmarkX   type:Close LookX   Flush BracketX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   OS BenchmarkX   OS Flush BracketX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   place:Slieve GullionX   Slieve GullionX   place:Slieve Gullion Forest ParkX   Triangulation PillarX   subject:Trig PointX   top:UplandsX  

Flush bracket bench mark on the trig pillar on Morris Hill a few miles SW of... (more)

Tags: Bench MarkX   Bench MarksX   Bench-MarkX   subject:BenchmarkX   type:Close LookX   Flush BracketX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   OS Bench Mark LocationX   OS BenchmarkX   OS Flush BracketX   OS Trig Pillar   OSNIX   Triangulation PillarX  

Flush bracket bench mark on Aughrim Hill trig pillar H9692 : Aughrim Hill Triangulation Pillar. The number on... (more)

Tags: Bench MarkX   Bench MarksX   Bench-MarkX   subject:BenchmarkX   type:Close LookX   Flush BracketX   Flush Bracket Bench MarkX   Flush Bracket BenchmarkX   top:Historic Sites and ArtefactsX   OS Bench Mark LocationX   OS BenchmarkX   OS Flush BracketX   OS Trig Pillar   OSNIX   Triangulation PillarX  

Black Mountain has two trig pillars - this is the northern one at a height of... (more)

Tags: place:Black MountainX   Damaged Triangulation PillarX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance SurveyX   Ordnance Survey Northern IrelandX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   Triangulation PillarX   subject:Trig PointX   top:UplandsX  

Trig pillar on a hill a view miles north of Portaferry overlooking Strangford Lough.

Tags: top:CoastalX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance Survey Trig PointX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   Trig PointX   subject:Trig PointX   top:UplandsX  

Triangulation pillar situated in Castlereagh, on the eastern edge of Belfast.... (more)

Tags: BelfastX   place:BelfastX   top:Farm, Fishery, Market GardeningX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance Survey Trig PointX   OS Trig Pillar   OS Trig PointX   OSNIX   Triangulation PillarX   Triangulation PointX   TrigX   subject:Trig PointX   Trigonometrical StationX   top:UplandsX  

Trig pillar at the summit of Squires Hill above Belfast at about 379m above sea... (more)

Tags: Fenced CompoundX   type:GeographX   Hill SummitX   top:Historic Sites and ArtefactsX   Ordnance SurveyX   Ordnance Survey Northern IrelandX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   Squires HillX   Summit ViewX   Triangulation PillarX   subject:Trig PointX   top:UplandsX  

Carnaghliss trig pillar located at Legoniel on the outskirts of Belfast. The... (more)

Tags: place:BelfastX   BelfastX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance SurveyX   Ordnance Survey Northern IrelandX   Ordnance Survey Triangulation PillarX   Ordnance Survey Trig PointX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   TriangulationX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   subject:Trig PointX   top:UplandsX  

Trig pillar on Tully hill between Ahoghill and Portglenone. The pillar sits in a... (more)

Tags: top:Farm, Fishery, Market GardeningX   type:GeographX   top:Historic Sites and ArtefactsX   Ordnance Survey Triangulation PillarX   OS Triangulation PillarX   OS Trig Pillar   OSNIX   TriangulationX   Triangulation PillarX   Triangulation PointX   Triangulation StationX   subject:Trig PointX   Trig PointX   top:UplandsX  

I had not realised that trig pillars contain two marks fixed vertically below... (more)

Tags: type:Close LookX   OS Trig Pillar   SummitX   Summit Trig PointX   former:Trig PillarX   top:UplandsX