Smock, John C., State Geologist. Geological Survey of New Jersey – Annual Report of the State Geologist for the year 1893. The John L. Murphy Publishing Company Printers, Trenton, NJ, 1894. Available online via NJ Geological Survey or Google Books
Stanford, Scott D. “Glacial Lake Passaic.” Unearthing New Jersey, Vol. 3, No. 2. New Jersey Geological Survey – Dept. of Environmental Protection, 2007. Available online via NJ Geological Survey
state.nj.us
Cook, George H., State Geologist. Geological Survey of New Jersey – Annual Report of the State Geologist for the year 1880. John L. Murphy, Book and Job Printer, Trenton, NJ, 1880. Available via NJ Geologic Survey
Smock, John C., State Geologist. Geological Survey of New Jersey – Annual Report of the State Geologist for the year 1892. The John L. Murphy Publishing Company Printers, Trenton, NJ, 1893. Available via NJ Geologic Survey
Smock, John C., State Geologist. Geological Survey of New Jersey – Annual Report of the State Geologist for the year 1893. The John L. Murphy Publishing Company Printers, Trenton, NJ, 1894. Available online via NJ Geological Survey or Google Books