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Ground elevation data can be collected using several methods. Accurate data for small areas can be collected using differential global positioning system (DGPS) survey equipment. To capture ground elevation data on a larger scale, a LiDAR sensor can be attached to aircraft. LiDAR is a remote sensing method which uses laser light to measure distance to a target and is commonly used to map terrain and surface objects. The advantage of this method is that a large amount of highly accurate data can be collected allowing large areas to be surveyed efficiently.