USA (US 20th Corps, 60,794 men under Mg Walker) attacked Germany (Ger 1st Army(-), 39,580 men under Gen Knobelsdorf) in France. The CAA Database of Battles records 12 hours of fighting on a front of 25 km, a frontal attack against fortified defense, and that Germany held. Losses: USA 359 (1%), Germany 210 (1%).
This plan is generated from those figures. It shows the shape of the battle the database describes: the size and width of the armies, the plan of attack and the outcome. It does not show where the units actually stood.