However a three-week dig at the site of the medieval Greyfriars church - now a council car park - last summer, quickly revealed remains of the church.
Newfoundland, Canada's poorest province, would not let Inco dig up the site unless the company promised to build a smelter and process the nickel in the province.
One lovely place to stay is the historic Auberge Saint-Antoine, formerly the site of an archaeological dig.
At the peak of the dig, more than 60 archaeologists were working at the site.
At the blast site, members of the Hazara community helped authorities dig through rubble to find the dead or survivors.
The tool essentially allows you to put natural queries into a search engine to make it easier to dig information out of the site.
During the next two weeks hoarding will be put around the site and it will be prepared for the dig.
This time, crews were able to dig up parts of the trade center site that were previously inaccessible to workers, the city said.
But Mr Masefield said although the site was the largest and "most significant" dig in recent years in Oxfordshire, there was nothing of "schedulable value" - so important that it could be legally protected.
They hope to dig down and find more evidence of the shipbuilding use of the site.
She said a continuing archaeological dig also hoped to discover more about the social history of the site.
The dig is taking place in Bloomberg Place, a three-acre site in the heart of the Roman city of London and home to the Temple of Mithras, built in the 3rd century.
Work at "the Dig, " the name firefighters have given to the World Trade Center site, appeared to be gaining momentum Wednesday as emergency officials worked against the clock and against the possibility that the rescue effort may be interrupted.
But as in the case of WikiLeaks' massive Afghanistan document release, the site didn't depend on the media to publicize the documents, instead uploading them into a searchable database on a site called Diary Dig and allowing people to rate and comment on them on a site called War Logs.
Investors permitted on the site can see a basic business plan from a company, but if they want to dig more into a company's financials, they have to get verified by CircleUp and the entrepreneur raising money before proceeding, Mr. Caldbeck says.
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