Ross, Reuben <br/><br/>
The Upper Ordovician and Silurian hanson creek formation of Central Nevada 

 - U. S. Geological survey professional paper, 1126-C .
<br/><br/>bibliogr. p. C15, C21-C22 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stratigraphie<br/>Ordovicien<br/>Silurien<br/>Faune trilobite
<br/><br/><label>Subjects--Index Terms: </label>Etats Unis  Nevada