 North of this hummock, across what was originally open sawgrass, is a wooded area where Colonel Zachary Taylor made camp prior to the battle.When the battlefield was listed as a National Historic Landmark in 1961, an area of that was believed to include the "general area" of the battlefield was landmarked.In the 1980s, the National Park Service commissioned more detailed studies, and performed some archaeological work in the area, to more precisely identify the battlefield area.