Contact the State Geologist, N.J. Geological and Water Survey, PO 420, Mail Code 29-01, Trenton, N.J. 08625-0420. Or email, njgsweb@dep.nj.gov. Staff are available to answer your questions 8:00AM-5:00 PM Monday through Friday by calling 609-292-1185.
email: njgsweb@dep.nj.gov