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 transparency, with annotation in ink, rich in detail, in poor condition. - Observation measure: equal parts interpretation and observation. - Map size: A1. - to be stored flat in a drawer until scanned. Keywords: GREAT BARRIER ISLAND; GEOLOGIC MAPS; RAKITU ISLAND; MOUNT HOBSON; TE AHUMATA

Map on ammonia print, rich in detail, in good condition. - Observation measure: equal parts interpretation and observation. - Map size: A1. - duplicate of RECDOC 46828, but lesser quality. Keywords: GREAT BARRIER ISLAND; GEOLOGIC MAPS; RAKITU ISLAND; MOUNT HOBSON; TE AHUMATA

Map on transparency, with annotation in pencil and ink, rich in detail, in fair condition. - Observation measure: equal parts interpretation and observation. - Map size: A1. Keywords: GEOLOGIC MAPS; KAWAU ISLAND; SNELLS BEACH; WARKWORTH

Map on transparency, with annotation in pencil and ink, rich in detail, in fair condition. - Observation measure: equal parts interpretation and observation. - Map size: A1. Keywords: CAPE RODNEY; GEOLOGIC MAPS; TAKATU; OMAHA; OMAHA BAY

Map on transparency, with annotation in pencil and ink, rich in detail, in good condition. - Observation measure: mainly interpretation. - Map size: A1. Keywords: WAIKARETU; GEOLOGIC MAPS; GLEN MURRAY; KAAWA; NAIKE