Channel Islands referred to as an 'Île normande' (as opposed to "anglo-normande"). 'Îles Normandes' and 'Archipel Normand' have also, historically, been used in Channel Island French to refer to the islands as a whole. The very large tidal variation provides an environmentally rich inter-tidal zone around the islands, and some islands such as Burhou, the Écréhous, and the Minquiers have been designated Ramsar sites. The waters around the islands include the following: The highest point in the islands is Les Platons in Jersey at 143 metres (469 ft) above sea level. The lowest point is the Atlantic Ocean (sea level). The earliest
Lambrite–Iles–Petersen House Petersen, who founded Davenport's largest department store that grew to become Von Maur. The Lambrite–Iles–Petersen House was designed by one of Davenport's first professional architects John C. Cochrane, and it was built in 1856. Soon after the house was built Lambrite lost everything in the Panic of 1857. Several other people owned the house until it was purchased by Thomas Iles around 1863. John H.C. Petersen bought the house after Iles's death in the mid-1880s and owned it until his own death in 1910. The Petersen family retained ownership of the house for ten years, selling it to Joseph Schick