The School worked with the Fund in joint excavations at Mount Ophel, Jerusalem in the 1920s.

At the University of Pennsylvania a visiting lectureship attests to the joint excavations he undertook in Turkey during the 1930s.

Hanoi had also agreed to joint excavations of crash sites that might yield information on Americans still missing since the war.

A few days after the Senate hearing Aug. 2, Vietnam's Foreign Minister, Nguyen Co Thach, withdrew the offers of joint excavations and emigration for political prisoners.

On Mr. Dawson's first joint excavations at Piltdown with Dr. Woodward, the only other person to accompany them was Dr. Teilhard.

The Gulf Coast Survey and the Alabama Museum of Natural History conducted joint excavations in 1997 and reaffirmed the previous chronological placement of the site.

In January 1986, when joint excavation of crash sites had almost become routine, Vietnam said it had "Started the clock" on a two-year deadline to resolve the issue once and for all.

Official approval for joint Sino-Japanese archaeological excavations at the site was given in 1994.

The Romulans are proposing, as part of the conference, at least the beginnings of a joint excavation.

"The point is, this joint excavation, whether it lasts an hour or a century, brings us to another of the Romulans' 'peculiar' requests."