It contains features such as lakes, ponds, streams, rivers, canals, dams and streamgages that produce 7.5-million miles of streams/rivers and 6.5-million lake/ponds.
It contains features such as lakes, ponds, streams, rivers, canals, dams and streamgages for the United States. The dataset represents over 7.5-million miles of streams/rivers and 6.5-million lake/ponds.