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Search for missing man in Yellowstone National Park turns into recovery operation

Kim Crumbo, 74, and her half-brother Mark O’Neill, 67, were first reported as “late” by a parent last Sunday after not returning from a trip to the backcountry at Shoshone Lake, park officials said.

O’Neill’s body was found on the lake’s eastern shore on Monday, the park service said in a statement. The cause of death has not been determined. The day before, park teams located a vacant campground with equipment and a canoe on the south shore of the lake.

Crews spent five days searching on foot, by boat and by helicopter but could not find Crumbo, the statement said.

Teams at the National Park Service’s submerged research center will begin using sonar equipment to detect clues in the water. Park research teams continue to search for Crumbo on foot and by boat, with the help of l ‘Grand Teton National Park interagency helicopter,’ the National Park Service said in the press release.

Recovery efforts are expected to continue over the next few days, park officials said.

Both men are National Park Service retirees and Crumbo is a former Navy Seal, the park service said. O’Neill was from Chimacum, Washington, and Crumbo from Ogden, Utah.

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