PASSINGS : Federico Sisneros; National Park Service’s Oldest Ranger

Federico Sisneros, 93, the National Park Service’s oldest ranger, who spent his life caring for the San Gregorio de Abo Mission in New Mexico. Sisneros’ family owned the land on which the 17th-Century Spanish mission stands and donated the property to the state in the late 1930s. Sisneros was the mission’s caretaker while Abo Mission was a state monument and was named a ranger when it became part of Salinas National Monument in 1981. “It’ll always be Abo on paper, but to the ones who worked with him, it’ll always be ‘Fred’s Place,’ ” Salinas chief ranger Glenn Fulfer said. “His father had told him to take care of the mission. It was more or less a legacy given down to Fred to take care of Abo.” Sisneros had asked to be buried at the mission and the National Park Service has authorized his grave to be located there. In Mountainair, N.M., on Saturday of heart failure.