Errata., Includes index., Part I, On surface geology, especially that of Connecticut Valley in New England; Part II, On erosions of Earth's surface, especially by rivers., and Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1789-1909. Reuse except for individual research requires license from ProQuest, LLC.
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2012. digital, PDF file. ProQuest U.S. Executive Branch Documents, 1789-1909. Mode of access: World Wide Web via ProQuest website.