Milwaukee River past Grafton to downtown Milwaukee, where it empties into Lake Michigan. Cedar Creek, the Menomonee River and the Kinnickinnic River are the three main tributaries. The Milwaukee River watershed drains in southeastern Wisconsin, including parts of Dodge, Fond du Lac, Milwaukee, Ozaukee, Sheboygan, Washington and Waukesha counties. The Milwaukee River watershed is part of the Lake Michigan subbasin; this subbasin is itself a part of the St. Lawrence River Watershed, which is fed by the Great Lakes. The Milwaukee River area was populated by Native Americans in the time before European settlement. Jacques Marquette and Louis Jolliet navigated from Lake
Milwaukee US. Through continued dialogue between Milwaukee's citizens, the city is trying to reduce racial tensions and the rate of segregation. With demographic changes in the wake of white flight, segregation in metropolitan Milwaukee is primarily in the suburbs rather than the city as in the era of Father Groppi. In 2015 Milwaukee was rated as the "worst city for black Americans" based on disparities in employment and income levels. The city's black population experiences disproportionately high levels of incarceration and a severe educational achievement gap. In 2013 Mark Pfeifer, the editor of the "Hmong Studies Journal", stated Hmong in Milwaukee