Plummer, Helen Jeanne. <br/><br/>
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 .
 - University of Texas bulletin ;  no. 3019. .
<br/><br/>Bibliography: p. 79-81. 
<br/><br/><label>LCCN: </label>gs 32000249 //r902 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Foraminifera, Fossil--Texas.<br/>Paleontology--Pennsylvanian.
<br/><br/><label>LC Class. No.: </label>QE772  / .P58