Ingham, C.E. 1971 Tongariro power development geophysical surveys. 4. Seismic survey for tailrace tunnel, Rangipo project. : . Report / Geophysics Division 61 14 p.
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Ingham, C.E. 1971 Tongariro power development geophysical surveys. 4. Seismic survey for tailrace tunnel, Rangipo project. : . Report / Geophysics Division 61 14 p.