Compañía Minera San Esteban Primera and rescue efforts began the next day. The National Emergencies Office of Chile that day issued a list of 33 trapped and possibly deceased miners, that included Franklin Lobos, a retired footballer, and Carlos Mamani, a Bolivian national. 17 days later on August 22 the miners were found to be alive, but trapped. It was not until 69 days after the collapse on October 13, 2010, that the first miner, Florencio Ávalos, was rescued. All 33 were eventually rescued. San Esteban Mining Company is considering bankruptcy. San José is the only mine owned by San Esteban. President of Chile Sebastián
SB-33 mine SB-33 mine The SB-33 is a small Italian minimum metal blast type anti-personnel mine formerly manufactured by "Misar", that entered service in 1977. The SB-33 can be emplaced by hand or scattered using the helicopter mounted SY-AT system. The body of the mine is made of two glass reinforced polycarbonate halves, with the top surface having a central neoprene pressure pad. The body has an irregular shape to make the mine harder to distinguish on the ground. To arm an SB-33, a small pin is removed from the side of the mine. After the mine has been armed, gradual pressure