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Keywords: DGM
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Journal Articles
INFORMAL DISCUSSION. PRACTICAL ASPECTS OF MOTORWAY SURVEYING.
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Proceedings of the Institution of Civil Engineers (1972) 52 (3): 455–458.
Published: 01 November 1972
... and if it is not possible to fly at the optimum height there is need for discussion between the engineer and surveyor to decide on a lower (but less economic) flyingheight. Perhaps thiscould be a matter for the proposed standing committee. Until recently the digital ground model (DGM) was formed on a regular grid...
