 The Owasco are thought to have eventually developed into the several Iroquoian-speaking nations of Pennsylvania and New York.The Haudenosaunee or Iroquois Confederacy likely formed in an effort to avoid the continual warfare of years past.Some important sites are the Rice Lake/Lower Trent River area, including the Serpent Mounds Park, Cameron's Point and LeVescounte Mounds in Prince Edward County.