Archaeological work began on the entire city for the first time under this project.
Limited archaeological work on the site has taken place over the years.
Little modern archaeological work has taken place at the site.
Archaeological work also had to be done before construction could begin.
The second source of information is archaeological work in modern Iraq.
No further archaeological work was carried out on the site until the 1950s.
For the next ten years, all archaeological work was stopped.
No serious archaeological work has been carried out on the site.
Archaeological work to understand the surrounding environment has continued, most recently during 2002 to 2003.
Extensive archaeological work has taken place in the decades following.
