Geological Survey (U.S.); Michigan. Geological Survey Division; Plushnick, A. W. (Andrew Winfield), 1898-1980; Gehres, W. S. (Wilmer Sherman), 1887-1963; United States. Army. Air CorpsTopography by W.S. Gehres and A.W. Plushnick , culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army , control by U.S. Geological Survey. Filing title: Three Oaks, Mich.-Ind. Edition of 1930. Polyconic projection. Relief shown by contours and spot heights. Contour interval 20 feet. Shows portion of Berrien County, Michigan, and small portions of St. Joseph and LaPorte counties in Indiana. Surveyed in 1926-1927.Imprint: Washington, D.C. : U.S. Geological Survey, [1930]Dimensions: 45 x 42 cm or smallerJPEGG4090 s62 .G4 Three Oaks 1930engGeological Survey (U.S.)PublicMichigan-Indiana Three Oaks quadrangle [1930 printing]MapsIndiana--Saint Joseph CountyMich.--Berrien CountyIndiana--LaPorte CountyIndiana1930Indiana University