Photos by Matthew Watte Top: Students from half a dozen universities across the nation and the world are focusing on the bone bed buried under more than seven feet of Northwest Nebraska soil. Above: Kat Geiger, a UNL junior anthropology major, climbs down from a remote site where her and three other students were performing experiments. f Right: Travis Wiehn gets a shower Hudson-Meng style - from a bag left out to warm in the sun.