Cherbourg - demolitions and underwater obstacles
United States Army
1945
Crist, Joseph A, (1945). Cherbourg Port Reconstruction. APO 887: Headquarters, Communications Zone, Office of the Chief Engineer. <a rel="nofollow" class="external autonumber" href="https://cgsc.contentdm.oclc.org/utils/getdownloaditem/collection/p4013coll8/id/4360/filename/4370.pdf/mapsto/pdf#.pdf">[1]</a>