Castor Fundamental Bench Mark   

Location
Grid reference: TL 1301 9975.
Landranger 142: Peterborough, Market Deeping & Chatteris.
GPS network passive station: H1TL1399.
Waypoint: FM7175.

Neighbouring Flush Brackets

G2877	By Stamford Lodge 957.55m to the northeast.
1034	Castor, High Street 1.25km to the south.
1171	Milton Park, Quarry 1.26km to the southeast.
1035	Ailsworth 1.61km to the southwest.
1172	Milton Park, Ferry Bridge 1.84km to the southeast.

The nearest fundamental bench mark is Cranford, 29.80km to the southwest.

Second Geodetic Levelling, England & Wales (1912-21)
This fundamental bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 113.4020 feet [34.5649 metres] above mean sea level (Newlyn datum). It was included on the Castor to Waltham-on-the-Wolds, Castor to Wicken and Cranford to Castor levelling lines.

Third Geodetic Levelling, England & Wales (1950-68)
This fundamental bench mark was used during the Third geodetic levelling, England & Wales, and was levelled with a height of 113.4020 feet [34.5649 metres] above mean sea level (Newlyn datum). It was included on the Castor to Cranford, Castor to North Pickenham, Castor to Waltham on the Wolds, Navenby to Castor and Wicken to Castor levelling lines.

Logged Visits
Logged on 2nd October 2005 by RodS. Grid reference: TL 13013 99752. Condition: Good.
Unusual location for FBM - half a mile from the nearest road. In excellent condition, complete with height tag 113.40ft, original "Ordnance Survey B M" plate and 1999 GPS plaque. In a pleasant location in the shade of a horse chestnut tree (but GPS reception therefore not excellent).