through. Also, steamboats on the bottom resulted from being burned and sunk as wrecks when they were no longer of use to ferry people around the lake. Since the late 20th century, divers frequently visit these ruins on the bottom as part of their recreation. Captain Sorensen of the Amelia Wheaton, operating the Wheaton, named most of the bays and features of Lake Coeur d’Alene. The Coeur d'Alene Tribe owns the southern third of Lake Coeur d'Alene and its submerged lands as part of its reservation, in addition to miles of the Saint Joe River and its submerged lands, all of which the United States holds in trust for the tribe. Its rights to the lake and river were established in the first executive order founding its reservation, which originally included all of the lake. In United States v. Idaho (2001), the United States Supreme Court held that an 1873 executive order issued by President Ulysses S. Grant formalized ownership by the tribe. While the court holding has not affected usage and access to Lake Coeur d'Alene, the Environmental Protection Agency has ruled that the tribe may set its own water-quality standards on its portion of Lake Coeur d'Alene. On July 5, 2020, a mid air collision between two small planes occurred over the lake. Eight people were killed in the accident. Pollution Environmental concerns have come as a result of upstream hard rock mining and smelting operations in the Silver Valley. The Coeur d'Alene Basin, including the Coeur d'Alene River, Lake Coeur d'Alene, and also the Spokane River is polluted with heavy metals such as lead and was designated a superfund site in 1983 that spans and of the Coeur d'Alene River. The majority of the lake bed is covered in a layer of contaminated sediment and local health officials at the Panhandle Health District advise the lake's visitors to wash anything that has come into contact with potentially lead-laced soil or dust in the Coeur d'Alene River basin. Recreation Lake Coeur d'Alene is a popular tourist site for many people during the summer, offering great beaches and scenic views. A seasonal hobby of some local residents is viewing the bald eagles as they feed on the kokanee in the lake, mainly from the Wolf Lodge Bay. The fish that inhabit the lake include, bluegill, yellow perch, white crappie, largemouth bass, smallmouth bass, kokanee, Chinook salmon, northern pike. The