Ink on linen, medium in detail, good condition. - Observation measure: equal parts observation and interpretation. - Map size: 650 mm x 750 mm. - Notes: CSM151 is one of three maps to accompany Coal Survey Report 124 "Geology of Crown Lands, Wairio S.D., Ohai-Nightcaps Coalfield", Lillie, 1944. Dunedin Technical File D45/361. Keywords: SOUTHLAND; WAIRIO; NIGHTCAPS; MINES; OUTCROPS; CONTOURS; STRUCTURE CONTOURS; COAL; FAULTS; FAULTING; FISH CREEK; WHITE RANGE; BOREHOLES; NEW BRIGHTON; OHAI

Ink and pencil on linen, rich in detail, good condition. - Observation measure: equal parts interpretation and observation. - Map size: 1100 mm x 800 mm. Keywords: OTAGO; KAITANGATA; STRUCTURE CONTOURS MAPS; GEOLOGIC MAPS; COAL; BEDDING; BOREHOLES; MINES