Report on the Rock river basin in Illinois
Subtitle: Revised edition of the report prepared for the National water resources survey of the National resources committee in 1936-1937.  July, 1938 (corrcted to January 1, 1938)  By the staff of the Illinois State planning commission.  <Printed by authority of the state of Illinois>
Published: 1938
Place of publication: Springfield]
Language: eng
Number of pages: 44
Subjects: Surveys
Notes: At head of title: State of Illinois.  Henry Horner, governor.

Bibliography: p. 43-44.