Lining Up Data in ArcGIS: A Guide to Map Projections is an easy-to-navigate, troubleshooting reference for any GIS user with the common problem of data misalignment. Complete with full-color maps and diagrams fully updated for ArcGIS Desktop 10.6, this book presents techniques to identify data projections and create custom projections to align data. Formatted for practical use, each chapter can stand alone to address specific issues related to working with coordinate systems. With an added chapter on vertical coordinate systems plus a newly available data download, the third edition of Lining Up Data in ArcGIS will benefit new and skilled GIS users alike.