Local histories are available for McPherson County, Kansas Genealogy. County histories may include biographies, church, school and government history, and military information. For more information about local histories, see the wiki page section Kansas Local Histories.
A class-action lawsuit alleges the state Department of Environmental Quality didn't treat the water for corrosion, in accordance with federal law, and because so many service lines to Flint are made of lead, the noxious element leached into the water of the city's homes. How tap water became toxic in Flint.
Calcium is also used to make alloys. An alloy is made by melting and mixing two or more metals. The mixture has properties different from those of the individual metals. An alloy of calcium and cerium is used in flints found in lighters (the elements that create sparks).