Map, pencil on heavy paper, rich in detail, in fair condition. - Observation measure: equal parts interpretation and observation. - Map size: B3. - Coordinates give rough placement only. Keywords: WAIMA RIVER (NORTHLAND); WHANGAREI; GEOLOGIC MAPS

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 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 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

Topographic map on paper, with handwritten annotations in ink and pencil, rich in detail, in good condition. - Observation measure: equal parts interpretation and observation. - Map size: A1. - Published map Whangarei Sheet 2A 1:250 000. Keywords: WHANGAREI; QUARRIES; REGIONAL GEOLOGY

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. - Compilation of published map Ngaruawahia 1:63 360. Keywords: TE RAPA; HORSHAM DOWNS; ROTOTUNA (WAIKATO); PUKETAHA; HOROTIU; REGIONAL 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. - Published map Whangarei Sheet 2A 1:250 000. - Coordinates give rough placement only. Keywords: TUTAMOE; REGIONAL GEOLOGY; STRUCTURAL GEOLOGY; GEOLOGIC MAPS

Map, ink and pencil on paper, rich in detail, in fair condition. - Observation measure: interpretation only. - Map size: A1. Keywords: TOKOMARU BAY; REGIONAL GEOLOGY; GEOLOGIC MAPS

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: HEREKINO; STRUCTURAL GEOLOGY; GEOLOGIC MAPS