Stith, David <br/><br/>
Chemical composition, stratigraphy, and depositional environments of the Black River Group (middle Ordovician), southwestern Ohio 

<br/><br/> <Donation ORSTOM> 
<br/><br/>bibliogr. p. 633. 
<br/><br/><label>ISSN: </label>00167606 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analyse chimique<br/>Stratigraphie<br/>Etude milieu<br/>Roche carbonatée<br/>Ordovicien moyen
<br/><br/><label>Subjects--Index Terms: </label>Etats Unis  Ohio