01083nam a22002651 4500 gs 32000249 DLC 20260227111337.0 901109s1930 txuabf b 00010 eng c gs 32000249 //r902 U.S. Geol. Survey Libr./ICU ICU n-us-tx QE772 .P58 Plummer, Helen Jeanne. Calcareous Foraminifera in the Brownwood shale near Bridgeport, Texas, by Helen Jeanne Plummer. Foraminifera of the Cisco group of Texas, by J.A. Cushman and J.A. Waters, Bureau of economic geology ... Austin [The University of Texas] 1930. 1 p., l., 81, [1] p., 13 l. incl. maps, table. XII pl. 22 cm. The University of Texas bulletin no. 3019. May 15, 1930 Bibliography: p. 79-81. Foraminifera, Fossil Texas. Paleontology Pennsylvanian. Cushman, Joseph A. (Joseph Augustine), 1881-1949. Waters, J. A. (James Alton) University of Texas bulletin ; no. 3019. 26984 26984