TY - RPRT TI - Geologic map of the Newark 1 degree by 2 degrees Quadrangle, New Jersey, Pennsylvania, and New York AU - P. T. Lyttle AU - J. B. Epstein PY - 1987 DO - 10.3133/i1715 UR - https://pubs.usgs.gov/publication/i1715 ID - i1715 ER -