Profile Construction Small 280×320 Medium 560×640 Large 896×1024 Download TIFF Original 2100×2400 | (367.1 KB) Description Constructing a profile from a topographical map. Keywords profile construction, topographical map, topography translation Galleries Topography Source: Chief of Engineers Advance Map and Aerial Photograph Reading (Washington, DC: United States Government Printing Office, 1941)
