A cooperation between the Paleontological Museum, University of Oslo, Norway and Institute of Paleobiology, Polish Academy of Sciences, Warsaw, Poland.
May 10 1999: Only pieces
The skull is now broken into pieces. We put every fragment in a box with number corresponding to that on the maps. The big box contains the posterior part of the skull.
This attractive bone is the ectopterygoid, from the palate of Tarbosaurus.
Daily reports during the preparation, May 1999
| May 3 | May 4 | May 5 | May 6 |
| May 7 | May 8 | May 10 | May 11 |
| May 12 | May 13 | May 14 | May 18 |
