OGDENSBURG, Wis. (AP) -- A 16-year-old boy was killed when a 12-foot hole he was digging collapsed on him.
The body of Andrew J. Hartmann was found Sunday after rescuers excavated a spot adjacent to the hole. Hartmann was digging the hole looking for rocks, something family members said he enjoyed doing.
"The sides of the hole caved in and buried him. People working with shovels could not make much headway because the walls kept caving in," said Lt. Christ Brogaard of the Waupaca County Sheriff's Department.
Rescuers used backhoes to excavate the hole and support planks to prevent further collapse, Brogaard said.
More than 50 volunteers helped search for Hartmann.
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