Airphotos and coal exploration procedure Galbraith, D. M. (Donald Murray), 1934-
Further experience with air photos subsequent to the Vernon Symposium suggests a considerable improvement is possible to the use of mosaics. This involves obtaining original photography at scales of 1:25,000 or larger (thus covering several licences simultaneously) and blowing up to produce prints at a scale of 1:10,000. This procedure has been discussed with several companies in the Northeast Coal Block, who will use it in 1978 reporting of work and reclamation done. Results will be discussed at the 1979 symposium.
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