(CNN) -- Mexican authorities found 55 bodies inside a mine ventilation shaft that was used as a mass grave in the city of Taxco, officials said Monday.
Bodies were first discovered in the mine shaft a week ago, and Monday's announcement concluded the weeklong recovery effort.
Of the 55 bodies, three were mummified, and two were skeletal remains, the Guerrero state attorney general's office said.
Only four of the bodies have been identified. Among them is David Bravo Mota, who was an area prison warden, officials said.
State Attorney General Albertico Guinto Sierra said he was asking families with missing loved ones to come to his office to begin a process of genetic testing to help identify the remaining bodies.
Meanwhile, authorities said they would explore the mine's 10 other ventilation shafts to see whether any more bodies were discarded there.
Mexican authorities recover 55 bodies from mine shaft - CNN.com
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