Map, ink and pencil on cotton canvas, rich in detail, in fair condition. - Observation measure: equal parts interpretation and observation. - Map size: B1. - Coordinates give rough placement only. Keywords: MANGAMUKA; STRUCTURAL GEOLOGY; GEOLOGIC MAPS

Map, ink and pencil on heavy paper, rich in detail, in fair condition. - Observation measure: equal parts interpretation and observation. - Map size: B1. - Coordinates give rough placement only. Keywords: MANGAKAHIA; REGIONAL GEOLOGY; GEOLOGIC MAPS

Map on cotton canvas, with annotation in pencil and ink, rich in detail, in excellent condition. - Observation measure: equal parts interpretation and observation. - Map size: A0. - Compilation sheet for Speden, I.G. 1961 Geological map of New Zealand 1:63,360 Sheet S184 Papatowai. Wellington: Department of Scientific and Industrial Research. Geological map of New Zealand 1:63,360 S184. 1 fold. map. Keywords: PAPATOWAI; TAHAKOPA; BERESFORD; KAHUIKA; PUKETIRO; TAWANUI; CABERFEIDH; GEOLOGIC MAPS

Map, ink and pencil on paper, rich in detail, in fair condition. - Observation measure: equal parts interpretation and observation. - Map size: B1. - Coordinates give rough placement only. Keywords: MANGAKAHIA; REGIONAL GEOLOGY; GEOLOGIC MAPS

Map, ink and pencil on cotton canvas, rich in detail, in good condition. - Observation measure: equal parts interpretation and observation. - Map size: B1. - Coordinates give rough placement only. Keywords: HOKIANGA HARBOUR; STRUCTURAL GEOLOGY; GEOLOGIC MAPS

Map, ink and pencil on heavy paper, rich in detail, in good condition. - Observation measure: equal parts interpretation and observation. - Map size: A0. - Published map Whangarei Sheet 2A 1:250 000. Keywords: WAIPOUA; REGIONAL GEOLOGY; GEOLOGIC MAPS; WAIKARA STREAM (ARANGA); MURIWAI STREAM (NORTHLAND); MAUNGANUI BLUFF; DONNELLYS CROSSING

Map, ink and pencil on transparency, medium detail, in poor condition. - Observation measure: equal parts interpretation and observation. - Map size: B1. - Coordinates give rough placement only. Keywords: WAOKU COACH ROAD TRACK; STRUCTURAL GEOLOGY; GEOLOGIC MAPS

Map on transparency, medium in detail, in excellent condition. Observation measure: equal parts interpretation and observation. - Map size: B3. Keywords: WAIPOUA; GEOLOGIC MAPS; HOKIANGA HARBOUR; OMAPERE; OPONONI

Map, ink and pencil on heavy paper, rich in detail, in fair condition. - Observation measure: equal parts interpretation and observation. - Map size: B1. - Coordinates give rough placement only. Keywords: WHANGAPE; STRUCTURAL GEOLOGY; GEOLOGIC MAPS

Map, ink and pencil on heavy paper, rich in detail, in fair condition. - Observation measure: equal parts interpretation and observation. - Map size: B1. - Coordinates give rough placement only. Keywords: MANGAKAHIA; REGIONAL GEOLOGY; GEOLOGIC MAPS