United States. Army Map Service; Geological Survey (U.S.)Mapped by the Geological Survey and the Army Map Service. Filing title: Alton, Ind.--Ky. Polyconic projection. Relief shown by contours and spot heights. Includes quadrangle location map in margin. Shows portions of Perry, Crawford, and Harrison counties, Indiana, and Meade and Breckinridge counties, Kentucky. Contour interval 20 feet. "Compiled in 1957 from 1:25,000 scale maps of Leavenworth, Beechwood, Alton, and New Amsterdam 7.5 minute quadrangles, surveyed in 1945, 1946, and 1950. Topography from aerial photographs by photogrammetric methods and by planetable surveys. Aerial photographs taken 1946-1948. Field check 1950." "N3800--W8615/15 1950."Imprint: Washington, D.C. : Interior--Geological Survey, 1959.Dimensions: 45 x 42 cm or smallerJPEGG4090 s62 .G4 Alton 1950 R1959engGeological Survey (U.S.)PublicAlton quadrangle, Indiana--Kentucky : 15 minute series (topographic)MapsKentucky--Breckinridge CountyIndiana--Perry CountyIndiana--Harrison CountyKentucky--Meade CountyIndiana--Crawford CountyIndianaKentucky1959Indiana University