Mattson, Linda. History of the Village of Otter Lake, Lapeer County, Michigan. CMU Term Paper, 1971. Metamora Among the Hills: A History. Metamora Township, MI: Metamora Friends of the Library, 1979. Porter, Floyd W. The Triumphs of His Grace; A Pilgrimage of More than 140 Years by the People of God, Called Methodist at Lapeer, Michigan.
The Cullinan, which was found near Pretoria more than a century ago, was until recently acknowledged to be the largest cut diamond in the world, weighing in at 530.20 carats. In 1985 it lost the record to the Golden Jubilee, which was found in the same mine as the Cullinan and weighed 545.67 carats.
Tiffany Diamond: The Tiffany Diamond is one of the largest yellow diamonds ever discovered. It was discovered at the Kimberlite mine in South Africa in 1878 and was originally 287 carats. After being cut and polished into a cushion shape, it measured 128.54 carats and was classified as a fancy yellow.