Mgbe ọ na-arụ ọrụ gụsịrị akwụkwọ na Mahadum South Dakota State na 1986, a kpọrọ Dr. Mardon ka ọ bụrụ onye so na njem njem meteorite nke Antarctic 1986-87 maka NASA na National Science Foundation. 170 kilomita site na ọdụ South Pole mgbe ndị otu ya hụrụ ọtụtụ narị meteorites. N'oge ọnụnọ ya, ọ tara ahụhụ site na ikpughe gburugburu ebe obibi nke mebiri akpa ume ya ma nye ya ụkwara na-adịgide adịgide. Ọ natara U.S. Congressional Antarctic Service Medal maka mbọ ya na ihe ize ndụ ya. Mgbe ọ laghachiri Alberta, ọ kụziri ihe na Antarctica na Mahadum Calgary na Mahadum Lethbridge. O nwetara ajụjụ ọnụ ka ọ bụrụ onye otu nke Canada / Soviet Arctic traverse site na Northern Siberia ruo Ellesmere Island na Canadian Arctic, mana enwetaghị na njem ahụ. Ọ bụ akụkụ nke mgbake meteorite na-emezughị na Antarctic na mpaghara Arctic nke Canada na mpaghara Northwest, mgbe otu ìgwè ya chọtara ọtụtụ narị meteorites. N'oge njem ahụ, ọ na-esonye na ndị ọrụ ụgbọ mmiri nke ndị ọrụ ụgbọ mmiri na ndị ọrụ ụgbọ
mmetọ gburugburu ebe obibi