22+ Trend Geotutor Interpreting Topographic Maps. Transcribed image text from this question. Topographic maps produced by natural resources canada (nrcan) offer detailed information on a particular area and are used for several types of activities such as emergency preparedness, urban planning, resource development and surveying to camping, canoeing, adventure racing.
On topographic maps, gradient is usually calculated with reference to two points.
While a gradient of 12% is considered moderate enough for bike racing, it is extremely steep for the adhesive railways. It is found in the top right hand corner of the map Topographic map exercises on the arcata north 7.5 quadrangle: Be sure to check your answers against those posted.
