Z02171670 USGS H02171670 3321210794620004545015SW03050112 10 N02171670 Santee River near Alvin, SC Y02171670 302171670 20050407 18.25 302171670 20070313 18.53 302171670 20100213 22.67 302171670 20130719 20.26 302171670 20160108 25.00 2