{"usgsGageID":"01491000","siteName":"Choptank River near Greensboro, MD"} {"usgsGageID":"01578310","siteName":"Susquehanna River at Conowingo, MD"} {"usgsGageID":"01594440","siteName":"Patuxent River near Bowie, MD"} {"usgsGageID":"01646500","siteName":"Potomac River at Chain Bridge, Washington, DC"} {"usgsGageID":"01668000","siteName":"Rappahannock River near Fredericksburg, VA"} {"usgsGageID":"01673000","siteName":"Pamunkey River near Hanover, VA"} {"usgsGageID":"01674500","siteName":"Mattaponi River near Beulahville, VA"} {"usgsGageID":"02035000","siteName":"James River at Cartersville, VA"} {"usgsGageID":"02041650","siteName":"Appomattox River at Matoaca, VA"}