Map and cross section on transparency, with annotation in ink, rich in detail, in excellent condition. - Observation measure: equal parts interpretation and observation. - Map size: A1. Keywords: POROOTARAO; GEOLOGIC MAPS; TUNNELS; LANDSLIDES; OHINEMOA STREAM

Map and cross section on transparency, with annotation in pencil and ink, medium in detail, in excellent condition. - Observation measure: observation only. - Map size: A1. Keywords: POROOTARAO; TUNNELS; GEOLOGIC MAPS; OHINEMOA STREAM

Ink on transparency, medium in detail, good condition. - Observation measure: equal parts interpretation and observation. - Map size: 740 mm x 500 mm. - Notes: To accompany report "Clutha power development - Bannockburn tertiary beds for earth core dam", Cooper, 1965. Dunedin Techfile F41/911. Keywords: CENTRAL OTAGO; BANNOCKBURN; HYDROELECTRIC POWER DEVELOPMENT; TERTIARY; BEDDING; COAL; SCHISTS; GRAVELS; AGGREGATES

Map on transparency, with annotation in pencil and ink, rich in detail, in excellent condition. - Observation measure: equal parts interpretation and observation. - Map size: A1. - Co-ordinates given are approximate. Keywords: CENTRAL OTAGO; CLARKS JUNCTION; RESERVOIRS; BOREHOLES; PLANS; GEOLOGIC MAPS; DEEP STREAM

Ammonia print on paper, with annotations in pencil, rich in detail, in poor condition. - Observation measure: equal parts interpretation and observation. - Map size: B1. - Corporate author as originally indexed: McIntye Mines NZ Ltd. - Coordinates give rough placement only. Keywords: GRAHAM RIVER (NELSON); GEOLOGIC MAPS

Map on draughting cloth, with annotation in ink, medium in detail, in fair condition. Observation measure: equal parts interpretation and observation. - Map size: B1. - Map number 753L. - Field sheet for Gage, M. 1948 The geology of the Reefton quartz lodes. Wellington: Government Printer. New Zealand Geological Survey bulletin 42. 68 p.. Keywords: REEFTON; INGLEWOOD; GOLD MINING; DYKES; MAGNETIC SURVEYS; AJAX CREEK

Coloured pencil on paper, rich in detail, good condition. - Observation measure: equal parts observation and interpretation. - Map size: 900 mm x 520 mm. - Notes: Geological map drawn on topographic contour plan to accompany DSIR Geological Survey Report on geological investigation for proposed (Benmore) dam 28 Sept 1956. Keywords: OTAGO; BENMORE; WAITAKI RIVER; GEOLOGIC MAPS; EARTH DAMS

Map on ammonia print,with annotation in pencil and ink, rich in detail, in fair condition. Observation measure: equal parts interpretation and observation. - Map size: B1. Keywords: LAKE PUKAKI; DAMS; PUKAKI RIVER; GEOPHYSICAL SURVEYS

Map on tracing paper, with annotation in ink, rich in detail, in excellent condition. - Observation measure: equal parts interpretation and observation. - Map size: B1. Keywords: WAITAKI VALLEY; LAKE BENMORE; DAMS; SPILLWAYS; GEOLOGIC MAPS

Map on transparency, rich in detail, in excellent condition. - Observation measure: equal parts interpretation and observation. - Map size: A1. - Field sheet for Geological map of New Zealand 1:63 360 Sheet N40 & part sheets N35, N36 & N39 northern Coromandel by D.N.B. Skinner. Keywords: ONGOHI STREAM; COROMANDEL; GEOLOGIC MAPS; MOEHAU RANGE