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13th order - GPS	3rd order	4th order
Active station	Admin/Changes	Admin/Links
Anatomy	Anomalies	Berntsen
Block	Bolt	Brass Plate
Buried Block	Cannon	Concrete Ring
Corporal Curry	Covered Bolts	Crested trig pillars
Curry Stool	Cut	Disc
Duplicate FBs	FBM	Fenomark
Flush Bracket	Flush bracket	Fundamental Benchmark
GPS Station	Garden Trig pillars	Garden trig pillars
Gravity Station	Great Glen Project	Hydrographic Survey Station
Hydrographic survey station	Intersected Station	Links
Missing FBs	NCE Adjustment	OS Sketch Diagrams
Order	Other	Palmerston forts
Passive station	Pillar	Pipe
Platform Bolt	Plug	Primary
Project Emily	Questionable Names	Rivet
Sandbox	Sea Level	Secondary
Sighting Tubes	Special Project pillars	Spider
Surface Block	TP7287 Newc	TP7287 Newcastle Active Station
The History of the Retriangulation of Great Britain	Theodolite	Trig Stations of the 19thC Principal Triangulation
TrigpointingUK	Trigpoints	Types
Unused trigpoints	Upper centre mark	Vanessa

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