Triangulation Pillar S1770: South Nab   

Location
Grid reference: SE 15629 00319.
Landranger 110: Sheffield & Huddersfield, Glossop & Holmfirth.
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.