Relief shown by spot heights.
Shows "Furthest advance of the German Army," "Battle line August 15th, 1917," railways, canals, forests and woods, aircraft depots, wireless stations, forts and redoubts and fortresses, fortified towns and naval arsenals.
Includes index (27, [2] p.) published by N. Doubleday, Oyster Bay, N.Y.
Edition statement from front cover of index.