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Engineering surveyors measure and
survey the land at different sites that may be suitable for
a proposed dam. They do this using computer-based measuring
instruments, geographical knowledge and aerial photographs.
With this information, they prepare up-to-date and detailed
maps of the sites, which are used when choosing the best location
for the dam and reservoir.
The maps for the selected site are then used to help with
the planning and design of the dam.
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