OSBM Bolt: Waterloo Port Transfer Bolt   

Waterloo Port Transfer Bolt - in concrete block 17' NE of hedge, 34' SE of sea wall, Menai Straits [3GL]; OSBM BOLT CONCRETE BLOCK 5.2M NE HEDGE 10.4M SE SEA WALL.

Location
Grid reference: SH 4872 6422.
Landranger 114: Anglesey.
Landranger 115: Snowdon & Caernarfon.
Structure: Concrete block.
Waypoint: OS0884.

Neighbouring Flush Brackets

G2755	Waterloo Port 305.94m to the east.
S0352	Caernarfon, Christ Church 1.25km to the southwest.
G2754	Caernarfon, Post Office 1.74km to the southwest.
G2756	Parciau 1.98km to the northeast.
S0353	Caernarfon, South Road 2.03km to the south.

The nearest fundamental bench mark is Caernarvon, 9.68km to the south.

Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Caernarvon to Holyhead levelling line. The surveyor's description was Waterloo Port Transfer Bolt - in concrete block 17' NE of hedge, 34' SE of sea wall, Menai Straits.