 A 40-man relief party of soldiers from Fort Ridgely were also ambushed at the Attack at Redwood Ferry.In the following week, the Sioux attacked isolated farms and community in over thirty counties and killed over 650 settlers, most buried in unmarked graves.The Dakota also attacked Fort Ridgely (a sustained siege through August 29, 1862) and New Ulm (Battles of August 18 and 23, 1862) but those defending those sites fought back successfully.