In 2013, the U.S. Geological Survey initiated a study to update regional skew, annual exceedance probability discharges, and regional regression equations used to estimate annual exceedance probability discharges for ungaged locations on streams in the
Wagner, Daniel M. dwagner@usgs.gov,Krieger, Joshua D.,Veilleux, Andrea G. aveilleux@usgs.gov. Methods for estimating annual exceedance probability discharges for streams in Arkansas, based on data through water year 2013. 2016-01-01.