Twenhofel, William H.  1875-1957. <br/><br/>
Methods of study of sediments / 
by W. H. Twenhofel ... (et al.) 
 - New York :  McGraw-Hill Book,  1941. 
 - vii, 183 p. :  ill. ;  25 cm. 
<br/><br/>'References' at end of each chapter. 
<br/><br/><label>LCCN: </label>41-006527 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks, Sedimentary<br/>Rocks--Analysis