1.   Extracting fossils from the rock and removing the rock that partially hides the specimens takes a great deal of time and expertise.

2.   And once you get a prepared skull, where the rock has been removed, you can get inside it and do surgery without destroying it.

3.   A British researcher spent more than a year painstakingly removing rock from around the skeletal remains of the segnosaur embryo.

4.   Hole gets bigger as you remove rocks, requiring removal of jacket and trip to refrigerator for something cold and wet.

5.   In the operation shown here, the material is sifted to remove rocks that were added as landfill, producing a fine soil.

6.   Probably easier than removing the rock, though Callahan, like so many others, is a big fan of them.

7.   The combined force will painstakingly mark and remove each rock from the crumbling presidio walls in preparation for excavations of the site.

8.   The muds also help control pressure as rock is removed and the oil and gas begins to seep forward.

9.   The pipeline, which is to go under the Hudson at Haverstraw Bay, may require blasting to remove rocks near the shoreline.

10.   There was even brain surgery to remove the rock that lodged into his skull.