Rexroad, Carl Buckner,  1925- <br/><br/>
Conodont zones in the Rockford Limestone and the lower part of the New Providence Shale (Mississippian) in Indiana / 
by Carl B. Rexroad [and] Alan J. Scott. 
 - Bloomington, Ind. :  Printed by authority of the State of Indiana :  for sale by Geological Survey, Indiana Dept. of Conservation,  1964. 
 - 54p. :  illus. ;  23 cm. 
 - Indiana. Geological Survey. Bulletin  no. 30 .
<br/><br/>With : Bryozoans from the Glen Dean limestone (middle Chester) of southern Indiana and Kentucky.  Bloomington, Ind. : Printed by authority of the State of Indiana : for sale by Geological Survey, Indiana Dept. of Conservation, 1963.  Bound together subsequent to publication. 
<br/><br/>Bibliography: p.51-54. 
<br/><br/><label>LCCN: </label>gs 64000367  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conodonts.<br/>Paleontology--Mississippian.<br/>Paleontology--Indiana.
<br/><br/><label>LC Class. No.: </label>QE109  / .A32 no. 30