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Triangulation Pillar OSBM S1770: South Nab   

FLUSH BRACKET: FL BR S1770 SOUTH NAB TP (ODN 460.8948m, AGL 0.0m).

Location
Grid reference: SE 15629 00319.
Landranger 110: Sheffield & Huddersfield, Glossop & Holmfirth.
Explorer OL1: Peak District.
Waypoint: TP6074.

Neighbouring Triangulation Pillars
S1779 Dead Edge End 3.48km to the northwest.
S1780 Snailsden 3.86km to the northwest.
S1771 Outer Edge 3.94km to the southeast.
2965 Margery 5.67km to the southeast.
S4298 West End Moor 7.58km to the south.
The nearest fundamental bench mark is Broomhead Moor, 10.55km to the southeast.

Third Geodetic Levelling, England & Wales (1950-68)
This triangulation pillar was used during the Third geodetic levelling, England & Wales. It was included on the Greetland to Broomhead Moor levelling line. The surveyor's description was South Nab Trig Pillar.
 
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