Hayden, F. V.  1829-1887. <br/><br/>
Geological sketch of the estuary and fresh water deposit forming the Bad Lands of Judith River :  with some remarks upon the surrounding formations / 
by F.V. Hayden.  Extinct vertebrata from the Judith River and great lignite formations of Nebraska / by Joseph Leidy. 
 - Philadelphia :  W.S. Young, printer to the Society,  1859. 
 - [121]-154 p., [4] leaves of plates :  3 ill., 1 map ;  32 cm. 
<br/><br/> First title "read before the American Philosophical Society, March 4th, 1859"; second title "from the Transactions of the American Philosophical Society." 
<br/><br/> Wagner-Camp (4th ed.),  329 
<br/><br/><label>LCCN: </label>gs 05001210  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Montana--Judith River Valley.<br/>Vertebrates, Fossil--Montana--Judith River Valley.<br/>Vertebrates, Fossil--Nebraska.
<br/><br/><label>LC Class. No.: </label>QE134.J8  / H3