Tva maps and surveys

Topo maps are an attempt to show real variations in elevation on a flat map. If you know how to read a topo map, the map itself can tell you a lot. Here are a few tips to help you out Contour lines are the brown lines on a topo map and can tell you a lot about the terrain. They show the elevationthe steepness or flatness of the land. As to sources, the Maps at the Tennessee State Library and Archives displays maps that are drawn from manuscript collections, state record groups, the Congressional Serial Set, published volumes in the State Library collections, as well as the physical Map Collection itself. Obviously, with thousands of maps in our holdings, the items presented.