Map on tracing paper, with annotation in pencil and ink, medium in detail, in good condition. - Observation measure: equal parts interpretation and observation. - Map size: A4. - Field sheet for Willett, R.W. and Healy, J. The geology of the Glenorchy subdivision. New Zealand Geological Survey bulletin 43 (not published) and eventually for Mutch, A.R. 1969 The scheelite resources of the Glenorchy District, West Otago, New Zealand. [Lower Hutt]: New Zealand Geological Survey. Report NZGS 40. 86 p. Keywords: GLENORCHY; GEOLOGIC MAPS; BUCKLER BURN; MOUNT JUDAH

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 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

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

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 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

Mine plan on heavy paper, with annotation in pencil and ink, rich in detail, in good condition. - Observation measure: mainly observation. - Map size: A1. - Compilation sheet for Bell, J.M.; Fraser, C. 1912 The geology of the Waihi-Tairua subdivision, Hauraki division. Wellington: Government Printer. New Zealand Geological Survey bulletin 15. 192 p.. Keywords: WAIHI; TAIRUA; GEOLOGIC MAPS; MARTHA HILL; MARTHA MINE

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