TY - RPRT TI - Verification of geophysically determined depths to saltwater near the Herring River (Cape Cod National Seashore), Wellfleet, Massachusetts AU - D.V. Fitterman AU - K.F. Dennehy PY - 1991 DO - 10.3133/ofr91321 UR - https://pubs.usgs.gov/publication/ofr91321 ID - ofr91321 ER -