1. Late Quaternary relative sea-level change in the western Gulf of Maine: evidence for a migrating glacial forebulge;Barnhardt;Geology,1995
2. Barnhardt, W.A., Belknap, D.F., Kelley, A.R., Kelley, J.T., Dickson, S.M., 1996. Geologic Map Series Nos. 96:7–13, Maine Geological Survey, Augusta, ME, 1:100, 000.
3. Stratigraphic evolution of the inner continental shelf in response to late Quaternary relative sea-level change, northwestern Gulf of Maine;Barnhardt;Geological Society of America Bulletin,1997
4. Seismic stratigraphy of glacial marine units, Maine inner shelf;Belknap,1991
5. Late Quaternary sea-level changes in Maine;Belknap,1987