AGREENER SHADE OF SHALE: Despite environmental concerns, tracking boom sends gushers of cash to rural dealers

摘要

MARIETTA, Ohio - For decades now, the residents in this Ohio River community of 14,000 have known what it's like to be poor. Until 2013, according to the U.S. census, median household income here trailed the nation's average of $51,939 by more than one-third.