Every Fifth Contour Line On A Topographic Map: Web a contour line is a line drawn on a topographic map to indicate ground elevation or depression. Web every fifth contour line is bolded and labeled with numerical elevations. The contour lines run next to each other and never cross.
Every Fifth Contour Line On A Topographic Map
Because it’s impractical to mark the elevation of every contour. Some of the contour lines on usgs topographic maps will be. Web to make topographic maps easier to read, every fifth contour line is an index contour.
Every Fifth Contour Line On A Topographic Map: Web every fifth contour line is bolded and labeled with numerical elevations. Web to make topographic maps easier to read, every fifth contour line is an index contour. The contour lines run next to each other and never cross.
