In addition to the high horizontal stress, lessons learned regarding failure and rock support during the underground excavation need to be considered for designing and excavating a new canteen room (B × H = 9 × 8 m) at the mine.
Overall, it is argued that the environmental consequences of excavation need to be viewed against the background that wetlands are dynamic features within the landscape.
Other programs can be found through the Archaeological Institute of America, which publishes a yearly bulletin of excavations needing help worldwide.
At the same time, the analysis cost can be greatly reduced, especially when a large number of historical buildings adjacent to tunnel excavations need to be protected.
Such a centre also inflates the scale of the project to the extent that it would effectively turn the whole gardens into a place of remembrance, at the expense of its current uses; even though the centre would be underground, the excavations needed to access it would change the green space completely.
Material that has been recovered from the ground through archaeological excavation may need immediate treatment to stabilize it.
No such excavation was needed during Ms. Lang's performance, which served as a gleaming monument to longing.
Further down the power hierarchy, the Moscow city government has spent days maneuvering to move the protest away from the symbolic Revolution Square, near the Kremlin ramparts and the site of massive protests on the eve of the collapse of the U.S.S.R. First, there was urgent plumbing work and excavation that needed to be done on the day of the protest.
Aid workers, who were allowed to move back into the bomb- and rubble-strewn refugee camp at Jenin two days ago, said today that Israeli officials have failed to keep their promises to provide the specialized rescue teams and heavy excavation equipment needed to search for survivors, remove bodies and feed and reunite families.
Further excavation was needed to understand the architecture of the individual workshop complexes and the organization of the entire area.
