EARLVILLE, Iowa (AP) — Authorities are investigating the death of a northeast Iowa woman who fell at her farm. First responders were sent around noon Saturday to the farm about 4 miles (7 kilometers) northwest of Earlville. They found 39-year-old Amy Mullis injured. The Delaware County Sheriff’s Office says Mullis was taken to a hospital in Manchester, where she died. Details about the fall have not been released.