Caitlin Dempsey 
According to a new report by the United States’ federal Interagency Working Group on Ocean Coastal Mapping, 53 percent of the country’s ocean, coastal, and Great Lakes water is still unmapped.
Listed here are the official state rock, gemstone, mineral, and fossil for each U.S. State.
The United States represents a vast area of land with 3.79 million square miles (9.83 million square kilometers) in size. A recent release of population figures by … Read more
![[Map of California shown as an island], Joan Vinckeboon, ca. 1650.](data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxMDAwIDcxNCIgd2lkdGg9IjEwMDAiIGhlaWdodD0iNzE0IiBkYXRhLXU9Imh0dHBzJTNBJTJGJTJGd3d3Lmdlb2dyYXBoeXJlYWxtLmNvbSUyRndwLWNvbnRlbnQlMkZ1cGxvYWRzJTJGMjAyMSUyRjA4JTJGbWFwLWNhbGlmb3JuaWEtaXNsYW5kLTE2NTAtVmluY2tlYm9vbnMuanBnIiBkYXRhLXc9IjEwMDAiIGRhdGEtaD0iNzE0IiBkYXRhLWJpcD0iIj48L3N2Zz4=)
Well into the 17th and 18th centuries, cartographers created maps of the region showing California separated from the mainland by a strait.
