Hand drawn maps based on aerial photographs from 2005.74.37.111. The exact location is unknown. The maps indicate locations of various areas in the trench system including Howitzer batteries, entrances, ports, gun-pits, wire, and dug-outs. 23 x 33 cm.
Image is from photo album 2005.74.37.
From the service of Sgt. Sidney Morse Willis, Service No. 1446764, Headquarters Company, 137th Infantry Regiment, 35th Division, A.E.F.
World War I
|Title||Maps drawn from aerial photographs|