Title: Engineering and legal aspects of land drainage in Illinois,
Authors: Pickels, George Wellington, 1883-; Leonard, Frank Bonner, 1891-; Leonard, Frank Bonner, 1891-; Illinois State Geological Survey.
Publisher: Printed by authority of the State of Illinois,
Year: 1921
Subjects: Water-supply Illinois; Drainage Illinois.
Contents: pt. 1. Status of drainage, September, 1920 / by G.W. Pickels -- pt. 2. Engineering problems / by G.W. Pickels -- pt. 3. Legal problems / by F.B. Leonard, Jr. -- pt. 4. State aid / by G.W. Pickels.