Editing Wabar craters (section)

===1994–1995 Zahid Tractors===
In 1994 and 1995, a total of three expeditions were undertaken, sponsored by the Zahid Tractor Corporation. A [[United States Geological Survey]] scientist, [[Jeffrey C. Wynn]], joined all three expeditions, and astronomer and geologist [[Eugene Merle Shoemaker|Gene Shoemaker]] joined at least one.<ref>{{cite journal | first1=J.C. | last1=Wynn | url=http://volcanoes.usgs.gov/jwynn/1998SciAm-Wabar.pdf | title=The Day the Sands Caught Fire | last2=Shoemaker | first2=E.M. | journal=Scientific American | year=1998 | volume=279 | issue=5 | pages=36–45| doi=10.1038/scientificamerican1198-64 | bibcode=1998SciAm.279e..64W }}</ref>  These expeditions were made with modern off-road vehicles, but even with modern technology, the trips were difficult ones. Not only were conditions harsh, but the Wabar site was tricky to find, as it sits in the midst of an enormous dune field that has no fixed landmarks.