Friedman, Samuel A.  1927- <br/><br/>
Channel-fill sandstones in the middle Pennsylvanian rocks of Indiana, 
by S. A. Friedman. 
 - Bloomington,  State of Indiana, Dept. of Conservation, Geological Survey,  1960. 
 - 59 p.  illus. 
 - Indiana. Geological Survey. Report of progress  no. 23 .
 - Report of progress (Indiana. Geological Survey) ;  no. 23. .
<br/><br/>Bibliography: p. 53-59. 
<br/><br/><label>LCCN: </label>gs 61000214  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sandstone--Indiana.<br/>Geology, Stratigraphic--Pennsylvanian.<br/>Geology--Indiana.
<br/><br/><label>LC Class. No.: </label>QE109  / .A3 no. 23