Upstate New York treaties drawn up after the war ceded much of the land to settlers of European descent. It is largely rural with rugged terrain. The development of Upstate New York was spurred by the opening of the Erie Canal in 1825, which greatly eased the transport of goods between the port of New York City and inland cities along the Great Lakes. As a result, Upstate became a hotbed for manufacturing, giving birth to such firms as General Electric, IBM, Kodak, and Xerox, and it welcomed a large influx of immigrants. Since the mid 20th century, American de-industrialization has contributed to
Oswego River (New York) overhaul of the canal system, the Oswego Canal was deepened and refurbished. The canal is now deep and has an overhead clearance of . The Oswego River was listed as a Great Lakes Areas of Concern in The Great Lakes Water Quality Agreement between the United States and Canada until it was formally delisted on July 21, 2006. The river is known for its steelhead run in the early spring, followed by a salmon run in early autumn. The river is stocked annually by the New York State Department of Environmental Conservation with 140,000 Chinook salmon and 20,000 steelhead. Oswego