The modern map making techniques in India, like other parts of the world, employ digitization, photographic surveys and printing.

The maps, the photographic surveys, the spectrochemical analyses, were all completed.

This cluster was subjected to an intensive photographic survey, which allowed astronomers to track the motion of its stars.

This fall, there will be a photographic survey of the bridge, loaded and unloaded, by helicopter.

'Making a photographic survey of the damage,' he said, half to himself.

After graduation he served with the royal Prussian geological institute, making photographic surveys.

One of his first assignments was to conduct a photographic survey of India.

The hall was fully restored from a photographic survey which luckily had been made two weeks earlier.

The observatory is a historically significant facility responsible for a number of important photographic surveys.

An aerial photographic survey of 50 glaciers in the South Island has been carried out for most years since 1977.