A Symposium of Lectures and Articles on Military Mapping is an ongoing series adapted from presentations made by Earl B. McElfresh to Civil War Round Tables and Map Societies, from monographs accompanying published McElfresh maps, from articles published in various magazines as well as radio presentations broadcast by NPR affiliate WBFO in Buffalo, New York. This second section describes the logistics and tactics of General U. S. Grant during the Vicksburg campaign and the role that maps played in his strategy. Earl B. McElfresh is a renowned cartographer and Civil War map historian. He has mapped over twenty battlefields for McElfresh Map Company, many of which were History Book Club selections. He is the author of Maps and Mapmakers of the Civil War (Abrams 1999) and is a frequent contributor to Civil War Times Magazine.