@book{26164,
	author = {Pickels, George Wellington, and Leonard, Frank Bonner,},
	title = {Engineering and legal aspects of land drainage in Illinois,},
	publisher = {Printed by authority of the State of Illinois,},
	year = {1921.},
	address = {Urbana, Ill.,},
	note = {At head of title: State of Illinois. Department of registration and education. Division of the State Geological Survey. Frank W. De Wolf, chief.}
}