Hoffman, Jeffrey L.; 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, 2008)
Hoffman, Jeffrey L.; Domber, Steven; New Jersey. Department of Environmental Protection. New Jersey Geological Survey(Trenton, N.J. : New Jersey Department of Environmental Protection, New Jersey Geological Survey, 2003)
Hoffman, Jeffrey L.; New Jersey. Department of Environmental Protection. New Jersey Geological Survey(Trenton, N.J. : New Jersey Department of Environmental Protection, New Jersey Geological Survey, 2002)