Author Mitchell Zuckoff, right, shows Jaana Gustafsson, a geophysicist with North South Polar, the first area that needs to be excavated at the dig site on a glacier near Koge Bay, Greenland, Aug. 9, 2013. The dig site is divided into quadrants to ensure a thorough examination of the area can be made. (U.S. Coast Guard photo by Petty Officer 2nd Class Jetta H. Disco)