These surveyors are measuring part of the Eltham-Okaiawa baseline in Taranaki in 1910–1911. Measuring a baseline was often complicated by rough terrain. Here, the supports for the steel tape have been extended up to 15 feet (4.6 metres) in order to get a flat line across the gully. Once the bearing and measurement were recorded, the tape and supports would be taken down and moved to measure the next bay – a slow and laborious process.
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Alexander Turnbull Library
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1/2-019458; C
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