Abstract
The use of historical sources in geomorphological analysis has had a long tradition in geography and is now undergoing a resurgence. A substantial body of data is available, and the search for it should extend from the National Archives to state and company records and county and city offices.
Notes
∗We thank William Carey, Ralph Ehrenberg, David Hornbeck, Jeanne Kay, Garry Rogers, Norman Thrower, Garnett Williams, Terry Young, and an anonymous referee for improving this paper. The late Herman R. Friis, of the National Archives, introduced the first author to many of our sources. For his many efforts in archival and historical geography research, we dedicate this paper to his memory.