 08039100 Ayish Bayou nr San Augustine, TXHydrologic Unit Code 12020005Latitude 312346, Longitude 940903 NAD27Drainage area 89.0 square milesContributing drainage area 89.0 square milesGage datum 190.22 feet above NGVD29Page Last Modified: 2020-04-04 02:51:26 EDT 