David Swingle drove Yellowstone's iconic yellow tour buses in the 1960s, and now 60 years later, he cracked a mystery.

WEST GLACIER, Mont. (AP) — Jerry O'Neal, the deputy superintendent of Glacier National Park, died unexpectedly early Thursday. He was 61.

Watkins said about 14 million people from other countries visit a national park each year. If they paid a $25 surcharge the parks system could raise around $330 million annually.