Geological Survey (U.S.); Clement, S. E. (Stephen Earl), 1894-1981Filing 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, 1950Dimensions: 45 x 42 cm or smaller; Scale: 1:62,500JPEGG4090 s62 .G4 Porter 1940 rep 1950engGeological Survey (U.S.)PublicIndiana Porter quadrangle [1950 reprint]MapsIndiana--Lake CountyIndiana--Porter CountyIndiana1950Indiana University