Andrews, G.W. (1984) Marine diatomaceous beds of the Pamunkey River Area, Hanover and King William Counties, Virginia IN: L.W. Ward and K. Krafft, eds., Stratigraphy and paleontology of the outcropping Tertiary beds in the Pamunkey River region, central Virginia Coastal Plain. Guidebood for Atlantic Coastal Plain Geological Association 1984 field trip. Atlantic Coastal Plain Geological Association.
