TY - RPRT TI - Geophysical investigation of depth to saltwater near the Herring River (Cape Cod National Seashore), Wellfleet, Massachusetts AU - D.V. Fitterman AU - G.A. Brooks AU - S. L. Snyder PY - 1989 DO - 10.3133/ofr89677 UR - https://pubs.usgs.gov/publication/ofr89677 ID - ofr89677 ER -