Cut Mark: Riber, Carr Lane   

Old B.M. on gatepost at junction of fence, N. side of Carr Lane - 731.740' [2GL, Matlock to Macclesfield]; Old B.M. on wall, N. side of Carr Lane and 5 chains E. from Littlemoor Lane - 731.739' [2GL, Hibaldstow to Matlock]; estimated location.

Location
Grid reference: SK 3119 5885.
Landranger 119: Buxton & Matlock, Bakewell & Dove Dale.
Structure: Gatepost.
Waypoint: BM2583.

Neighbouring Bench Marks

BM	Riber, opposite Castle entrance 355.11m to the west.
BM	Riber Road/Hearthstone Lane 676.83m to the west.
BM	Heathylea Farm 1.90km to the east.
BM	Warney Lea 4.91km to the northwest.
BM	Dale Road/Church Lane 6.47km to the northwest.

The nearest fundamental bench mark is Matlock, 372.16m to the west.

Second Geodetic Levelling, England & Wales (1912-21)
This bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 731.7400 feet [223.0344 metres] above mean sea level (Newlyn datum). It was included as a side level on the Matlock to Macclesfield and Hibaldstow to Matlock levelling lines. The surveyor's description was Old B.M. on gatepost at junction of fence, N. side of Carr Lane - 731.740' [2GL, Matlock to Macclesfield]; Old B.M. on wall, N. side of Carr Lane and 5 chains E. from Littlemoor Lane - 731.739' [2GL, Hibaldstow to Matlock].