09471580 - San Pedro River at St David, AZ - 2020/10/14 and 2020/12/08 GPS Surveys

The dataset contains data from two GPS surveys conducted after a flow event on September 8, 2020, at the USGS streamgage 09471580 - San Pedro River at St David, AZ. The first survey, conducted on October 14, 2020, documents CSA cross section geometry, CSA pin elevations, and high-water marks at CSA cross sections from the flow event in the CSA reach downstream from the gage (09471588 - San Pedro River below Dragoon Wash at St David, AZ). The second survey, conducted on December 8, 2020, documents CSA pin elevations and additional high-water marks in the CSA reach from the flow event on September 8, 2020, and the elevation of the thalweg from the CSA reach to the streamgage (09471580) at the bridge.