Clement, S. E. (Stephen Earl), 1894-1981; Geological Survey (U.S.)Filing title: Porter, Ind. Edition of 1940. Polyconic projection. Relief shown by contours and spot heights. Contour interval 10 feet. Surveyed in 1934. Reprinted 1950. "Topography by S.E. Clement, Shirley Waggener, W.H. Austin, O.A. Chalifoux, and A.F. Striker. Culture and drainage in part compiled from aerial photographs." "N4130-W8700/15."Imprint: Washington, D.C. : U.S. Dept. of the Interior, Geological Survey, 1940Dimensions: 45 x 42 cm or smallerJPEGG4090 s62 .G4 Porter 1940engGeological Survey (U.S.)PublicIndiana Porter quadrangle [1940 printing]MapsIndiana--Porter CountyIndiana--Lake CountyIndiana1940Indiana University