Adams, Donald D.; Darby, Dennis A. & Young, Randolph J. Habitat Development Field Investigations, Windmill Point Marsh Development Site, James River, Virginia: Appendix C, report, August 1978; (https://digital.library.unt.edu/ark:/67531/metadc1475764/m1/1/: accessed March 30, 2020), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .