GCGS series 4414. Sheet 4523, Second Edition (AEF). Copied from German Topographische Karte 1:25,000 Sheet 4528 dated 1927. Revised under the direction of the Chief Engineer. ETOUSA by the 660th Engr. Topo.Bn. U.S. Army. Dec 1944 from aerial photographs flown by USAAF 1944 and RAF 1943-44. Photo revision and draftign by the 2775th Engr. Base Photomapping CO Copied by 2772nd. Engr. Base. Reproduction Co. Lambert modified conical orthomorphic projection. Nord de Guerre Grid.