Relief shown by contours and spot heights. | Shows French front line on the evening of 1st July 1918 and topographical paths both overprinted in red. Also shows batteries seen on photos in good state, abandoned batteries seen on photos, active batteries seen on photos, active batteries identified by sound, and active batteries identified by glimmering light, all overprinted in blue. | Covers area of the Aisne Department between Sommelans in the north to Nogent-l'Artaud to the south, and west from Champillon to Château-Thierry. Bouresches is roughly at center of sheet. Château-Thierry is at center right edge of sheet. | Includes legend. Also includes aerial photo compilation diagram and magnetic declination diagram in right margin.
France. Armée. (Cartographer)
Perry-Castañeda Library Maps, University of Texas Libraries, The University of Texas at Austin