After controversy over the location of a capital, the Dakota Territory was split in two and divided into North and South in 1889. Later that year, on November 2, North Dakota and South Dakota were admitted to the Union as the 39th and 40th states. This vast territory was one of the last American regions to be settled.
A scale used to measure the relative hardness of a mineral by its resistance to scratching. From softest to hardest, the ten minerals of the Mohs scale are talc (measuring 1 on the scale), gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and diamond (measuring 10 on the scale).
Evaporated milk, also known as dehydrated milk, is a shelf-stable canned milk product with about 60% of the water removed from fresh milk. It differs from sweetened condensed milk, which contains added sugar. Sweetened condensed milk requires less processing since the added sugar inhibits bacterial growth.