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1GL Bolt: Garstang Bridge   

Bolt in South face and West pier of Garstang Canal Bridge [sic]; 4.42 ft. above ground [1GL, Liverpool to Port Carlisle, Mark No. 155]; CUT MARK: SW PARA GARSTANG BR JUNC WEIR SW FACE (ODN 16.0325m, AGL -1.3m).

Location
Grid reference: SD 4929 4495.
Landranger 102: Preston & Blackpool, Lytham St Anne's.
Explorer OL41: Forest of Bowland & Ribblesdale.
Explorer 296: Lancaster, Morecambe & Fleetwood.
Structure: Bridge.
Waypoint: BT1324.

Neighbouring Bench Marks
BM Garstang Bridge (NBM) 22.36m to the northwest.
BOLT Garstang, Church 241.66m to the northwest.
BM Garstang, Canal Bridge, Kepple Lane 384.71m to the west.
BOLT Highroad Bridge 511.08m to the southeast.
PIVOT Garstang, Milestone, Preston 10 860.23m to the south.
The nearest fundamental bench mark is Lancaster, 16.24km to the north.

First Primary Levelling, England & Wales (1840-60)
This bench mark was used during the First primary levelling, England & Wales, and was levelled with a height of 52.7350 feet [16.0736 metres] above mean sea level (Liverpool datum). It was included on the Liverpool to Port Carlisle levelling line. The surveyor's description was No. 155. Bolt in South face and West pier of Garstang Canal Bridge [sic]; 4.42 ft. above ground (p415).

Logged Visits
Visited on 27th September 2015 by Houlie. Condition: Good.
Still there and no change from previous report. Easiest way to find it is to follow the narrow track along the bridge parapet. When you get to the stone step into the old weir spillway, look to your left and voila! There it is on the fifth course of stonework above the step. Also quite a few masons marks to distract your attention
Photos to follow

Visited on 16th September 2012 by dal. Condition: Good.
Bolt at centre of cut mark. On the 'wrong side' of the parapet. There is a way down, and it is about half way to the river, above a mini-weir? on a drain into the river.
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