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Aokautere ash in the Manawatu district, New Zealand and its significance to soils.
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Stratigraphy and soils of Late Quaternary terrace cover beds in the Wanganui and South Taranaki District, North Island, New Zealand.
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The Geology and soils of the Apiti district.
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Studies on late Quaternary tephras in the Waikato and other regions in northern North Island, New Zealand, based on distal deposits in late sediments and peats.