Revision History for Techniques and Methods 6–A33 By David P. Ahlfeld, Kristine M. Baker, and Paul M. Barlow GWM-2005—A Groundwater-Management Process for MODFLOW-2005 with Local Grid Refinement (LGR) Capability ----------------------------------------------------- Posted online November 2009 ----------------------------------------------------- Revised and reposted January 4, 2009 The text version was modified. Figure 8 on page 45 was revised where the area of refinement shifts from column 15 on the west side to column 16, and from column 28 to 29 on the east side.