Results 301 to 303 of about 179,801 (303)
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aerial magnetic survey(ing)

2014
openaire   +1 more source

SOME REQUIREMENTS FOR AERIAL SURVEY CAMERAS

The Canadian Surveyor, 1953
openaire   +2 more sources

aerial photo(graph) surveying

2014
openaire   +1 more source
conservation
marine mammals
aerial survey
monitoring
detection probability
technology
distance sampling
abundance
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