| Description | Uncoloured. Pencil annotation. 2 sections on a single sheet. 'Section of the strata in No.6 pit... Sunk in 1849. These pits are on the west side of the proposed new canal tunnel. Section of the strata in No.21 pit... Now sinking (1855). These pits are on the east side of the proposed new canal tunnel'.
Surveyor: Not known
Scale: Not given |