Revision History for SIR 2012–5171 David A. Eash and Kimberlee K. Barnes Methods for Estimating Selected Low-Flow Frequency Statistics and Harmonic Mean Flows for Streams in Iowa ----------------------------------------------------- Posted online August 27, 2012 ----------------------------------------------------- Revised and reposted November 21, 2017, version 1.1 The text version was modified. The 0.5 value on the x-axis for figure 12 on page 40 was moved from the 0.4 tick mark to the 0.5 tick mark.