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Trostan Triangulation Pillar
by Rossographer
geograph for square D1723
Primary OSNI trig pillar on the summit of Trostan. This is the highest point in... (more)
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Trostan Triangulation Pillar
by Rossographer
geograph for square D1723
Primary OSNI trig pillar on the summit of Trostan. This is the highest point in... (more)
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Flush Bracket, Collin Triangulation Pillar
by Rossographer
for square J2670
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Killinakin Triangulation Pillar
by Rossographer
geograph for square J5161
Trig pillar located on a hill off the Killinakin Road between Killinchy and... (more)
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Trig point near Swanage
by Malc McDonald
geograph for square SZ0481
A triangulation point (or "trig point") on Ballard Down, near Swanage.... (more)
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Spider, Trostan Triangulation Pillar
by Rossographer
for square D1723
The top of Trostan trig pillar. The centre cap is missing and some erosion of... (more)
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Flush Bracket, Trostan Triangulation Pillar
by Rossographer
for square D1723
Flush bracket bench mark on Trostan trig pillar. The pillar sits at 551m above... (more)
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Trig point at Wavering Down near Axbridge
by Malc McDonald
geograph for square ST4055
A triangulation pillar (or "trig point") on Wavering Down in Somerset,... (more)
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Trig point at Wavering Down near Axbridge
by Malc McDonald
geograph for square ST4055
A triangulation pillar (or "trig point") on Wavering Down in Somerset,... (more)
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Trig point at Wavering Down near Axbridge
by Malc McDonald
geograph for square ST4055
A triangulation pillar (or "trig point") on Wavering Down in Somerset,... (more)
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Spider, Slieve Gallion Triangulation Pillar
by Rossographer
for square H7987
The spider on Slieve Gallion trig pillar. There is some damage - probably caused... (more)
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Flush Bracket, Slieve Gallion Triangulation Pillar
by Rossographer
for square H7987
Flush bracket bench mark on Slieve Gallion trig pillar. The mark has not been... (more)
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Spider, Tara Fort Triangulation Pillar
by Rossographer
for square J6248
Spider on Tara Fort Triangulation Pillar. Intact and in good condition, it is... (more)
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Flush Bracket, Tara Fort Triangulation Pillar
by Rossographer
for square J6248
Flush bracket bench mark on Tara Fort Triangulation Pillar.
The number on the... (more)
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Spider, Listullyard Fort Triangulation Pillar
by Rossographer
for square J1046
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Flush Bracket, Listullyard Fort Triangulation Pillar
by Rossographer
for square J1046
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Listullyard Fort Triangulation Pillar
by Rossographer
geograph for square J1046
OSNI trig pillar at Listullyard Fort, an ancient rath a few miles outside... (more)
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Collin Triangulation Pillar
by Rossographer
for square J2670
Trig pillar on the summit of Collin Mountain to the south-west of Belfast. The... (more)
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Collin Triangulation Pillar
by Rossographer
geograph for square J2670
Trig pillar on the summit of Collin Mountain to the south-west of Belfast. The... (more)
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Triangulation pillar at Hengistbury Head
by Malc McDonald
geograph for square SZ1790
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Fort Hill Triangulation Pillar
by Rossographer
geograph for square J2056
Trig pillar in a field off the Listullycurran Road between Dromore and... (more)
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Beacon Hill trig point near Bicknoller
by Malc McDonald
geograph for square ST1240
Beacon Hill triangulation pillar (or "trig point"), 310 metres above... (more)
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Slieve Gallion Triangulation Pillar
by Rossographer
geograph for square H7987
Secondary trig pillar on the southern and highest summit of Slieve Gallion at... (more)
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Slemish Triangulation Pillar (remains)
by Rossographer
geograph for square D2105
Slemish trig pillar was formerly located on the summit of the mountain at... (more)
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Tara Fort Triangulation Pillar
by Rossographer
geograph for square J6248
Trig pillar at Tara Fort, a rath a few miles SE of Portaferry on the Ards... (more)
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Slieve Donard Triangulation Pillar
by Rossographer
for square J3527
Trig pillar at the summit of Slieve Donard. The pillar is situated on the top of... (more)
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Spider, Scudion Craig Triangulation Pillar
by Rossographer
for square C8938
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Flush Bracket, Scudion Craig Triangulation Pillar
by Rossographer
for square C8938
Flush bracket bench mark located on Scudion Craig Triangulation Pillar... (more)
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Flush Bracket, Slieve Croob Triangulation Pillar
by Rossographer
for square J3145
Flush bracket bench mark on Slieve Croob Triangulation Pillar.
The number of... (more)
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Triangulation Pillar, Humphrey Head
by Adrian Taylor
geograph for square SD3973
The Ordnance Survey triangulation pillar on Humphrey Head. The flush bracket... (more)
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Triangulation Pillar, Ben Wyvis
by Adrian Taylor
for square NH4668
The triangulation pillar on the summit of Ben Wyvis. The flush bracket benchmark... (more)
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Carnaghliss Triangulation Pillar
by Rossographer
geograph for square J2878
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Slieve Foye Triangulation Pillar
by Rossographer
geograph for square J1611
Trig pillar on the summit of Slieve Foye at 589m above sea level; this is also... (more)
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Slieve Foye Triangulation Pillar
by Rossographer
geograph for square J1611
Trig pillar on the summit of Slieve Foye at 589m above sea level; this is also... (more)
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Triangulation pillar, North Berwick Law
by Adrian Taylor
geograph for square NT5584
The triangulation pillar on the summit of North Berwick Law.
The flush bracket... (more)
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Black Hill trig point, near Crowcombe
by Malc McDonald
geograph for square ST1438
A triangulation pillar (or "trig point") on the Quantock Hills in... (more)
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Black Hill trig point, near Crowcombe
by Malc McDonald
geograph for square ST1438
A triangulation pillar (or "trig point") at Black Hill, on the... (more)
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Beacon Hill trig point near Bicknoller
by Malc McDonald
geograph for square ST1240
A triangulation pillar (or "trig point") on Beacon Hill, on the... (more)
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Scudion Craig Passive GPS Station
by Rossographer
for square C8938
Small brass rivet (on the right) on top of Scudion Craig Triangulation Pillar... (more)
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Scudion Craig Triangulation Pillar
by Rossographer
geograph for square C8938
OSNI trig pillar located off the Ballyhome Road about one mile south-east of... (more)
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Cairngaver Triangulation Pillar
by Rossographer
geograph for square J4576
Triangulation pillar located on top of Cairngaver hill. The position offers... (more)
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Ballynamuddagh Triangulation Pillar
by Rossographer
geograph for square O2815
Ballynamuddagh trig pillar on a hill between Bray Head and Greystones. The... (more)
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Ballynamuddagh Triangulation Pillar
by Rossographer
geograph for square O2815
Ballynamuddagh trig pillar on a hill between Bray Head and Greystones. The... (more)
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Spider, Slieve Croob Triangulation Pillar
by Rossographer
for square J3145
The top of the Slieve Croob trig pillar. Although well worn it is marked... (more)
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Slieve Croob Triangulation Pillar
by Rossographer
geograph for square J3145
Trig pillar at the summit of Slieve Croob in County Down. The pillar, sitting at... (more)
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Slieve Croob Triangulation Pillar
by Rossographer
geograph for square J3145
Trig pillar at the summit of Slieve Croob in County Down. The pillar, sitting at... (more)
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Slieve Croob Triangulation Pillar
by Rossographer
geograph for square J3145
Trig pillar at the summit of Slieve Croob in County Down. The pillar, sitting at... (more)
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Killead Triangulation Pillar
by Rossographer
geograph for square J1779
Killead trig pillar, located in Tully townland between Nutt's Corner and... (more)
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Spider, Killead Triangulation Pillar
by Rossographer
for square J1779
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Flush Bracket, Killead Triangulation Pillar
by Rossographer
for square J1779
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