A South Dakota National Guard Black Hawk helicopter rescued a man trapped in a crevasse in Badlands National Park Saturday evening.
Authorities say the 33-year old man fell about 100 feet before landing in the crevasse..
Volunteer firefighters tried unsuccessfully to reach him with technical rope and other climbing techniques before calling in the National Guard, which hoisted him out about 8:45 PM.
Officials say he was suffering from injuries to the head and lower legs, but his condition is not known.