TY - RPRT TI - Geologic reconnaissance of an extensive clay unit in north-central Suffolk County, Long Island, New York AU - R.K. Krulikas AU - E. J. Koszalka PY - 1983 DO - 10.3133/wri824075 UR - https://pubs.usgs.gov/publication/wri824075 ID - wri824075 ER -