Hot , weathered oil in Lake Pontchartrain . Tar balls described as ` ` about the size of a silver dollar '' Part of Mississippi closed to fishing . Rheams said that pattern was expected to persist for at least three more days . High waves , strong winds preventing navigation .
Hot , weathered oil in Lake Pontchartrain . Tar balls described as ` ` about the size of a silver dollar '' Part of Mississippi closed to fishing . High waves , strong winds preventing navigation .