Note 339 — Chapter VI · ANTIQUITIES.
Reading edition
On the geology of these bluffs, see the articles by Mr. Allen, in the first, and Mr. Conrad in the second volume of the Am. Jour. Science. (Second series.)
Reading edition
On the geology of these bluffs, see the articles by Mr. Allen, in the first, and Mr. Conrad in the second volume of the Am. Jour. Science. (Second series.)