01045cam a22002651 4500 gs 22000150 DLC 20260227111326.0 790605s1921 ilua b s000 0 eng gs 22000150 (OCoLC)5037204 DLC TxCM OCoLC I DLC QE105 .A16 no. 42 Pickels, George Wellington, 1883- Engineering and legal aspects of land drainage in Illinois, by G. W. Pickels and F. B. Leonard, Jr. Urbana, Ill., Printed by authority of the State of Illinois, 1921. 322 p. illus. Illinois State Geological Survey. Bulletin no. 42 At head of title: State of Illinois. Department of registration and education. Division of the State Geological Survey. Frank W. De Wolf, chief. Map folded in pocket. Bibliographical footnotes. Water-supply Illinois. Drainage Illinois. Leonard, Frank Bonner, 1891- joint author. 26164 26164