Plan shewing coal workings below sea level Shag Point Colliery Palmerston

Pencil and ink on linen backed paper, medium in detail, good condition. - Observation measure: mainly observation. - Map size: 1000 mm x 1560 mm. - Notes: Hand coloured and annotated plan of mine workings offshore of Shag Point. Cross sections showing position of coal measures and water depth. Signature of Mining Engineer not legible. Originally recorded as VF 2285. - was previously held in Dunedin Office Vertical File VI-1612, now in rolled maps part of Mapping Vertical File. Keywords: OTAGO; SHAG POINT; COAL MINES