photographic surveying

photographic surveying

[¦fōd·ə¦graf·ik sər′vā·iŋ]
(engineering)
Photographing of plumb bobs, clinometers, or magnetic needles in borehole surveying to provide an accurate permanent record.
References in periodicals archive ?
I had been out there for a year, since May, 2000, and was celebrating a friend's 30th birthday in a bar when I met Cristian who was doing some photographic surveying work in the area.
He wrote a book, Photographic Surveying, to aid surveyors using the camera method in the field.
We then progressed to photographic surveying over long distances which still meant we had to spend days away from base in all sorts of conditions.