The age of the track prompted large-scale excavations in 1973, funded by the Department of the Environment.
The large-scale excavations carried out in the 1920s brought to light most of the architectural remains that are still currently visible.
There have been numerous large-scale excavations on historic towns, many individual historical studies and a variety of general works on urban origins and development.
The first large-scale excavation came in 1932.
A large-scale excavation was conducted at the site between 1958 and 1961.
This was one of the earliest large-scale scientific archaeological excavations in the region.
When the staff left, the local population from the surrounding villages started large-scale excavations on the camp site, searching for gold and valuables.
Nuclear explosives were once considered for use in large-scale excavation.
It was the world's first large-scale underwater archeological excavation.
Since the 1990s, large-scale archeological excavations have been undertaken and efforts are being made to preserve ancient sites.