Champlain Valley southward into the Valley of Vermont. The Vermont Lowlands are primarily underlain by sedimentary rocks, especially limestone and shale, though metamorphic rocks such as marble and slate are also present. Lake Champlain is situated in the Champlain Valley between the Green Mountains of Vermont and the Adirondack Mountains of New York, drained northward by the Richelieu River into the St. Lawrence River at Sorel-Tracy, Quebec (northeast of Montreal). Major tributaries of Lake Champlain include Otter Creek and the Winooski, Missisquoi, and Lamoille rivers in Vermont, and the Ausable, Chazy, Boquet, and Saranac rivers in New York. Lake Champlain also receives
Lawrence, St. Lawrence County, New York Lawrence, St. Lawrence County, New York Lawrence is a town in St. Lawrence County, New York in the United States. The population was 1,826 at the 2010 census. The town is named after William Lawrence, an early land owner. The Town of Lawrence is on the eastern border of the county and is east of Potsdam. Settlers began arriving in the region shortly after 1800, but many left permanently during the War of 1812. A state road constructed through the region in 1827 helped renew settlement of Lawrence. The town was formed in 1828 from parts of the Towns of