• publisher: Washington, Govt. print. off.
  • creator: United States. War Dept. General Staff Army War College (U.S.)
  • contributor: Army War College (U.S.)
  • Keyword: Fortification. World War, 1914-1918 Campaigns.
  • years: 1916.
  • pages: 22 p.
  • class: UG405
  • download: pdf file