GLENWOOD SPRINGS, Colo.—An investigation is underway after a 6-year-old girl on vacation with her family died at an amusement park in the western Colorado town of Glenwood Springs. Few details have been released, but Suzanne Emery with the Glenwood Caverns Adventure Park says “an incident” occurred Sunday evening on the Haunted Mine Drop ride that caused the death. The Post Independent reports the park will be closed Monday and Tuesday. “Out of respect and concern for all parties involved, we will not have further comment until all details have been confirmed. Our thoughts and prayers go out to all involved,” Emery said in a news release. Garfield County Coroner Robert Glassmire said park employees initiated first aid until paramedics arrived and determined the girl had died. The girl’s name has not been released. The Haunted Mine Drop, which opened in July 2017, is billed as the first drop ride to …