Geological sketch of the estuary and fresh water deposit forming the Bad Lands of Judith River : with some remarks upon the surrounding formations - Hayden, F. V. (Ferdinand Vandeveer), 1829-1887.; Leidy, Joseph, 1823-1891.; Joseph Meredith Toner Collection (Library of Congress) (Philadelphia : W.S. Young, printer to the Society, 1859)
First title "read before the American Philosophical Society, March 4th, 1859"; second title "from the Transactions of the American Philosophical Society."
Wagner-Camp (4th ed.)
Keywords: Geology -- Montana -- Judith River Valley; Vertebrates, Fossil -- Montana -- Judith River Valley; Vertebrates, Fossil -- Nebraska