01016cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040002900111050002300140100003900163245010500202260007300307300001900380410005600399500014900455500002600604504003100630650002800661650002400689700004900713gs 22000150 DLC20260227111326.0790605s1921    ilua     b   s000 0 eng    ags 22000150   a(OCoLC)5037204  aDLCcTxCMdOCoLCdIdDLC00aQE105b.A16 no. 421 aPickels, George Wellington,d1883-10aEngineering and legal aspects of land drainage in Illinois,cby G. W. Pickels and F. B. Leonard, Jr.  aUrbana, Ill.,bPrinted by authority of the State of Illinois,c1921.  a322 p.billus.20aIllinois State Geological Survey.tBulletinvno. 42  aAt head of title: State of Illinois. Department of registration and education. Division of the State Geological Survey. Frank W. De Wolf, chief.  aMap folded in pocket.  aBibliographical footnotes. 0aWater-supplyzIllinois. 0aDrainagezIllinois.1 aLeonard, Frank Bonner,d1891-ejoint author.