Physiographic provinces Sussex County is located within two of New Jersey's physiographic provinces: (1) The Ridge and Valley Appalachians, and (2) the New York-New Jersey Highlands regions.Lucey, Carol S. Geology of Sussex County in Brief. (Trenton, New Jersey: New Jersey Geological Survey, November 1969), 21pp. Accessed August 28, 2012.
Ph!ysiographic :provinces Sussex County is located within two of New Jersey's physiographic provinces: (1) The Ridge and Valley Appalachians, and (2) t.he New York-New Jersey Highland.s regions.Lucey, Carol S. Geology of Sussex County in Brief. (Trenton, New Jersey: New Jersey Geological Survey, November 1969), 21pp Accesse,d August 28, 2012.