A GPS survey was conducted on June 12, 2019, to document the cross section geometry at the streamgage 09471580 - San Pedro River at St David, AZ, and CSA pin elevations and cross section geometry at the CSA sensor locations at CSA 09471588 - San Pedro River below Dragoon Wash at St David, AZ. One cross section was surveyed at streamgage 09471580 - San Pedro River at St David, AZ; and four CSA pin elevations and cross sections were surveyed at CSA 09471588 - San Pedro River below Dragoon Wash at St David, AZ.