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Bench Mark, Sligo Marshalsea
by Rossographer
for square G6935
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Bench Mark, Dromore West
by Rossographer
for square G4333
Bench mark on the east wall of the door of St Mary's, Kilmacshalgan, at... (more)
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Benchmark, High Bentham, former Royal Oak Hotel
by Adrian Taylor
for square SD6669
Detail of the Ordnance Survey 1GL bolt benchmark on the front of the former... (more)
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Benchmark, Cartmel, Priory Church of St. Mary
by Adrian Taylor
for square SD3778
Detail of the Ordnance Survey published abstract bolt benchmark on the south... (more)
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Benchmark, St. Thomas' Church
by Adrian Taylor
for square NZ2464
Detail of the Ordnance Survey 1GL Published Abstract Bolt benchmark on the west... (more)
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Benchmark, Sedgwick Hall Bridge
by Adrian Taylor
for square SD5186
Detail of the Ordnance Survey 1GL Bolt benchmark on the north face of the arch... (more)
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Benchmark, St James' Church, Whitehaven
by Adrian Taylor
for square NX9718
Detail of the Ordnance Survey 1GL bolt benchmark on a stone quoin at the south... (more)
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Bench Mark near Inishcrone
by Rossographer
for square G3529
Pivot bench mark on an old milestone on the N59 between Ballina and Sligo... (more)
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Bench Mark, Ballina
by Rossographer
for square G2418
Bench mark on the west wall of the door of St. Muredach's Cathedral in... (more)
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Bench Mark, Ardglass
by Rossographer
for square J5537
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Benchmark, Ripon Obelisk
by Adrian Taylor
for square SE3171
Detail of the Ordnance Survey Published Abstract Bolt benchmark on the centre of... (more)
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Benchmark, Hincaster Tunnel
by Adrian Taylor
for square SD5085
Detail of the Ordnance Survey 1GL Published Abstract Bolt benchmark on the west... (more)
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Benchmark, Saint Kentigern's Church
by Adrian Taylor
for square NY3239
Detail of the Ordnance Survey 1GL Bolt benchmark on the tower of St.... (more)
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Benchmark, Earl Grey's Monument
by Adrian Taylor
for square NZ2464
Detail of the Ordnance Survey 1GL bolt benchmark on the plinth of Earl Grey’s... (more)
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Benchmark, Nelson Monument
by Adrian Taylor
for square NU1702
Detail of the Ordnance Survey 1GL bolt benchmark on the east side of the Nelson... (more)
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OS 1GL Bolt Benchmark on St. Martins Church, Stamford
by Stephen Armstrong
for square TF0306
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Tom Otter's Bridge
by Brian Westlake
geograph for square SK8774
A modern concrete bridge has replaced an earlier one that carried a bench mark... (more)
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Benchmark, Brampton, Moot Hall
by Adrian Taylor
for square NY5361
Detail of the Ordnance Survey 1GL bolt benchmark on the west side of the Moot... (more)
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Earl Grey's Monument plinth
by Adrian Taylor
for square NZ2464
Detail of the massive stone plinth of Earl Grey's Monument in... (more)
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Rivet bench mark, Normanton bridge
by Alan Murray-Rust
for square SK6233
This is likely to be the mark listed for this location on the Widmerpool to... (more)
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Benchmark, Worcester Cathedral
by Adrian Taylor
for square SO8554
Detail of the Ordnance Survey published abstract bolt benchmark on the north... (more)
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Benchmark, Carlisle Cathedral
by Adrian Taylor
for square NY3955
Detail of the Ordnance Survey published abstract bolt benchmark adjacent to a... (more)
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Royal Oak Sale Room
by Adrian Taylor
for square SD6669
Detail of the front of the Royal Oak Sale Room, formerly the Royal Oak Hotel.... (more)
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St James' Church, Whitehaven
by Adrian Taylor
for square NX9718
Detail of the west end of St James’ Church. There is an Ordnance Survey bolt... (more)
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West end of St. Paul's Church, Holme Low
by Adrian Taylor
geograph for square NY1353
The buttressed sandstone west wall of St. Paul's Church, Holme Low. There... (more)
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Former Public House at Drinsey Nook
by Brian Westlake
geograph for square SK8774
On the angle adjoining the former industrial building is an Ordnance Survey... (more)
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North face of the North transept
by Adrian Taylor
for square SO8554
There is an Ordnance Survey 1GL bolt benchmark on the wall below the window... (more)
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Cut Mark: Drinsey Nook
by Brian Westlake
for square SK8774
On the former pub at Drinsey Nook is a mark on the London to Doncaster levelling... (more)
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Cut Bench Mark near Gainsborough Bridge
by Brian Westlake
for square SK8189
This cut bench mark dates from the mid nineteenth century First Geodetic... (more)
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House on the Corner by Gainsborough Bridge
by Brian Westlake
geograph for square SK8189
This house carries a cut bench mark dating from the mid nineteenth century First... (more)
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Cut Bench Mark at Battery Point
by Brian Westlake
geograph for square ST4677
In the lower left of this picture is a bench mark that is the terminal mark of a... (more)
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Cut Bench Mark at Battery Point
by Brian Westlake
for square ST4677
This bench mark is the terminal mark of a branch levelling line from Bristol to... (more)
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Cut Mark: Portishead, The Green Cottage
by Brian Westlake
for square ST4775
Ordnance Survey cut bench mark made for the First Primary Levelling of England... (more)
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Portishead, The Green Cottage
by Brian Westlake
for square ST4775
The cottage carries an Ordnance Survey cut bench mark made for the First Primary... (more)
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Old Pivot Bench Mark on Bishop Bridge
by Brian Westlake
for square SK9573
The north parapet carries an old pivot benchmark dating from the First Primary... (more)
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Bench mark, Monk's Bridge, Egginton
by Alan Murray-Rust
for square SK2626
Used during the first primary levelling of England and Wales, 1840-60... (more)
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The Old Bishop Bridge
by Brian Westlake
geograph for square SK9573
North parapet of the old bridge, bypassed by a later bridge for the A57. The... (more)
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Winthorpe, Gainsborough Road, "Hillcrest"
by Brian Westlake
geograph for square SK8156
This house was the location of an Ordnance Survey benchmark dating from 1856... (more)
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Knightstone Pier, Weston-super-Mare
by Brian Westlake
geograph for square ST3161
The pier was the location of a benchmark at the end of a branch levelling line... (more)
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