2020 AD
Subtitle: a survey of the Ohio River basin (excluding the Tennessee River basin) : its assets, its problems, its future requirements and what can be done about them
Publisher: U.S. Army Corps of Engineers, Ohio River Division
Published: 1970
Place of publication: Cincinnati
Language: eng
Number of pages: 46
Subjects: Water resources development
Other titles: Ohio River basin.
Notes: On cover: 2020 AD, the next half-century in the Ohio River basin.