(Trenton, N.J. : New Jersey Department of Environmental Protection, New Jersey Geological Survey, 2002) Vokert, Richard A.; State of New Jersey. Department of Environmental Protection. Land Use Management. Geological Survey
(Trenton, N.J. : New Jersey Department of Environmental Protection, New Jersey Geological Survey, 2002) Hoffman, Jeffrey L.; New Jersey. Department of Environmental Protection. New Jersey Geological Survey