USGS
  Virgin River
     North Fork Virgin River near Springdale, UT
     East Fork Virgin River near Springdale, UT
     Virgin River above Quail Creek near Hurricane, Utah
     Virgin River at Virgin River, UT
     Virgin River near Hurricane, Utah
     Virgin River near Bloomington, UT
     Virgin River near St. George, UT
     Virgin River above the Narrows near Littlefield, AZ
     Virgin RIver below Ash Creek near Laverkin, UT
  Santa Clara River
     Santa Clara River near Pine Valley, UT
     Santa Clara River at Gunlock, UT
     Santa Clara River at St. George, UT
  Others
     Leeds Creek near Leeds, UT
     Fort Pearce Wash near St. George, UT
     Beaver Dam Wash near Enterprise, UT