The Potomac or younger Mesozoic flora - Fontaine, William Morris, 1835-1913. (Washington : Govt. Print. Off., 1889)
Each palte preceded by guard sheet with descriptive text.
50th Cong., 2nd sess., House, Mis. doc. no. 147, pt. 1.
Includes index.
Keywords: Paleobotany -- Mesozoic; Paleobotany -- Virginia