Olson Jerry S. <br/><br/>
Variance components of cross-bedding direction in some basal Pennsylvanian sandstones of the eastern interior basin :  statistical methods / 
Jerry S. Olson and Paul Edwin Potter. 
 - (S.l. : s.n.),  1900 
 - 26-49 p. :  ill. ;  31 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology.