U.S. Army Corps of Engineers, Army Map Service.2010-02-152010-02-151977http://hdl.handle.net/1969.3/194791 map, 58 x 51 cm.A topographic map accurately represents the natural and manmade features of the land. USGS topographic maps are compiled to National Map Accuracy Standards using modern mapping techniques. The shape and elevation of the terrain are portrayed by contour lines while specific features such as roads, towns, water areas, and vegetation are portrayed by map symbols and colors. This is a 7.5 minute series.topographic mapsmapswetlandsMap