The natural designation indicates that the raw material - a type of limestone known as clayey marl - is simply mined and burnt with no further additions.
Throughout its history, the Macon County Courthouse in Decatur, IL has inhabited a variety of buildings, from a log cabin built in 1829 where Abraham Lincoln practiced law, to a stone and brick four-story building with a clock tower built in 1892 to its current location — a five-story limestone building constructed in 1939.
Completed this past summer, the sprawling new FedEx Ground Distribution Hub in Middletown, Connecticut, by many measures, qualifies as one the state’s all-time largest construction projects.