U.S. Coast and Geodetic Survey; United States. Army; Graff, Fred, Jr.; Herron, W. H. (William Harrison), 1865-; Marshall, R. B. (Robert Bradford), 1867-1949; Illinois State Geological SurveyR.B. Marshall, Chief Geographer , W.H. Herron, Geographer in charge , topography by F. Graff, Jr. , control by Corps of Engineers U.S. Army, U.S. Coast and Geodectic Survey, [and others]. Filing title: Ill.-Ind. Birds. Variant title: Birds quadrangle, Illinois-Indiana. Edition of 1917, reprinted 1943 with corrections. Polyconic projection. Relief shown by contours and spot heights. Shows Crawford County, Illinois, and small portions of Sullivan and Knox counties in Indiana. "Surveyed in 1914." "Surveyed in cooperation with the State of Illinois." "Culture revised in part, 1942." "N3845-W8730/15."Imprint: [Urbana, Ill.] : Geological Survey Division, [1943]; Imprint: [Washington, D.C.] : U.S. Geological SurveyDimensions: 45 x 42 cm or smaller; Scale: 1:62,500JPEGG4090 s62 .G4 Birds 1917 R1943engGeological Survey (U.S.)PublicIllinois-Indiana Birds quadrangle : topography [1943 reprint]MapsIllinois--Crawford CountyIndiana--Sullivan CountyIndiana--Knox CountyIllinois1943Indiana University