(S (S (BASENP (DT The) (NN explosion)) (VP (VP (VP (VBD consumed) (NP (NP (QP (ADVP (RB all) (RB but)) (RB about) (NN 60)) (NNS pounds)) (PP (IN of) (BASENP (NNS explosives))))) (CONJP (COMMA ,) (CC and)) (VP (VP (VBD loosened) (BASENP (DT some) (NNS boulders))) (PP (IN on) (NP (BASENP (DT the) (NN north) (NN side)) (PP (IN of) (BASENP (DT the) (NN highway))))))) (COMMA ,) (VP (VBD damaged) (NP (BASENP (NN railroad) (NNS tracks)) (CC and) (NP (BASENP (DT some) (NN fiber) (NN optic) (NNS lines)) (VP (VBN buried) (PP (IN along) (BASENP (DT the) (NN roadway))))))))) (PERIOD .))