TY - RPRT TI - Altitude of the top of the Matawan Group-Magothy Formation, Suffolk County, Long Island, New York AU - Richard K. Krulikas AU - E. J. Koszalka AU - Thomas P. Doriski PY - 1983 DO - 10.3133/ofr83137 UR - https://pubs.usgs.gov/publication/ofr83137 ID - ofr83137 ER -