(S (S (BASENP (NNP Mr.) (NNP Haddox)) (VP (VP (VBD told) (BASENP (PRP us))) (SBAR (SBAR (IN that) (S (NP (BASENP (DT the) (NN size)) (PP (IN of) (BASENP (DT the) (NN hole)))) (VP (VBZ is) (ADJP (ADJP (RB much) (JJR smaller)) (PP (IN than) (NP (BASENP (DT the) (NN 330) (NNS feet) (NN depth)) (VP (ADVP (RB originally)) (VBN reported)))))))) (CC and) (SBAR (IN that) (S (NP (BASENP (DT the) (NN erosion)) (VP (VBG causing) (BASENP (DT the) (NN collapse)))) (VP (VBZ is) (VP (VBN believed) (S (VP (TO to) (VP (VB have) (VP (VBN happened) (PP (PP (IN over) (BASENP (DT a) (JJ long) (NN time))) (CONJP (COMMA ,) (CC and)) (PP (ADVP (RB not) (RB just)) (PP (IN during) (NP (BASENP (DT the) (JJ recent) (NNS rains)) (SBAR (IN as) (S (VP (ADVP (RB initially)) (VBN suspected))))))))))))))))))) (PERIOD .))