OSBM Bolt   

OSBM Bolt in rock, at foot of bank, NW side of road, 4' SW from E angle of house Fron Ddel.

Location
Grid reference: SN 6400 8691.
Landranger 135: Aberystwyth & Machynlleth.
Structure: Unknown.
Waypoint: OS0317.

Neighbouring Flush Brackets

G2010	Rhydypennau 1.54km to the southwest.
S0467	Bow Street, School 2.73km to the southwest.
G2088	Bow Street, Newlynne 2.80km to the southwest.
S0460	Tal-y-bont 3.00km to the northeast.
G2009	Ty-Coch 4.34km to the southwest.

The nearest fundamental bench mark is Aberystwyth, 10.13km 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 Aberystwyth to Machynlleth levelling line. The surveyor's description was OSBM Bolt in rock, at foot of bank, NW side of road, 4' SW from E angle of house Fron Ddel.