More recent minor excavations have been held to mitigate the effects of electrical cables, sewage pipes, and footpaths.
However, there is no tin mining on the Scilly Isles apart from minor exploratory excavations.
A minor excavation in 1995 found the footings and two steps of a stone stairway that provided access to the Great Hall of the tower.
Aerial photographs and minor archaeological excavations in 1976 indicated the presence of the remains of a Roman Villa underneath the school's sports fields.
Now, the last reminder of that delusion (or more exalted state, depending on your POV) has gone, leaving only the minor excavation in her nose.
A minor excavation was undertaken by George Marçais in the 1920s.
Several minor excavations have been done since that time to keep the site in good condition.
Only minor excavations have been done in the Bronze Age settlement but the area contains several house foundations in stone.
It was also located in a natural bowl; only minor excavations would be necessary to expand the park to major-league size.
Only minor excavations were done, most of them being concentrated on location of Vid.