00929cam a22002651i 4500 gs 05000802 DLC 20260227111302.0 880811s1889 dcuf f001 0 eng gs 05000802 (OCoLC)18341504 DLC InIB ODaWU OCoLC DLC n-us-va QE921 .F73 Fontaine, William Morris, 1835-1913. The Potomac or younger Mesozoic flora / by William Morris Fontaine. Washington : Govt. Print. Off., 1889. [2], iv, xiv, 377 p., CLXXX leaves of plates : ill. ; 30 cm. Geological Survey (U.S.). Monographs ; v. 15 Each palte preceded by guard sheet with descriptive text. 50th Cong., 2nd sess., House, Mis. doc. no. 147, pt. 1. Includes index. Paleobotany Mesozoic. Paleobotany Virginia. 24291 24291